Summary Of Significant Accounting Policies	6 Months Ended
Jun. 30, 2017
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES A. Organization and General Description of Business Cannabis Science, Inc. (“We” or “the Company”), was incorporated under the laws of the State of Colorado, on February 29, 1996, as Patriot Holdings, Inc. On August 26, 1999, the Company changed its name to National Healthcare Technology, Inc. On June 6, 2007, the Company changed its name from National Healthcare Technology, Inc., to Brighton Oil & Gas, Inc., and converted to a Nevada corporation. On March 25, 2008 the Company changed its name to Gulf Onshore, Inc. On April 6, 2009, the Company changed its name to Cannabis Science, Inc., and obtained a new CUSIP number. On May 7, 2009 the Company common shares commenced trading under the new stock symbol OTC Pink: CBIS. Cannabis Science, Inc. is at the forefront of medical marijuana research and development. The Company works with world authorities on phytocannabinoid science targeting critical illnesses, and adheres to scientific methodologies to develop, produce, and commercialize phytocannabinoid-based pharmaceutical products. In sum, we are dedicated to the creation of cannabis-based medicines, both with and without psychoactive properties, to treat disease and the symptoms of disease, as well as for general health maintenance. The Company formed two operating subsidiaries Cannabis Science BV and Cannabis Science International Holding BV in The Netherlands on May 10 ^th and May 6 ^th, 2013, respectively, to pursue business opportunities in Europe and worldwide. There are currently minimal operations in the subsidiaries. Agreements and business disclosures are in process. On November 15, 2013, the Company submitted a patent application N2010968 in Europe entitled "Composition for the Treatment of Neurobehavioral Disorders." The subject of the patent is development of cannabinoid-based formulations to treat a variety of neurobehavioral disorders, such as attention deficit hyperactivity disorder (ADHD), anxiety, and sleep disorders. B. Basis of Presentation These consolidated financial statements and related notes are presented in accordance with accounting principles generally accepted in the United States, and are expressed in U.S. dollars. The Company’s fiscal year end is December 31. Interim Financial Reporting While the information presented in the accompanying interim consolidated financial statements is unaudited, it includes all adjustments, which are in the opinion of management, necessary to present fairly the financial position, results of operations and cash flows for the interim periods presented in accordance with general accepted accounting principles in the United States of America (“GAAP”). These interim financial statements follow the same accounting policies and methods of application as used in the December 31, 2016 audited financial statements of Cannabis Science, Inc. (the “Company”). All adjustments are of a normal, recurring nature. Interim financial statements and the notes thereto do not contain all of the disclosures normally found in the year-end audited financial statements and these Notes to Financial Statements are abbreviated and contain only certain disclosures related to the six-month periods ended June 30, 2017 and 2016. It is suggested that these interim financial statements be read in conjunction with the Company’s audited financial statements and related notes for the year ended December 31, 2016 included in our Form 10-K/A filed with the SEC on file no. 000-28911 171022778 August 11, 2017. Operating results for the six months ended June 30, 2017 are not necessarily indicative of the results that can be expected for the year ending December 31, 2017. The following subsidiaries and controlling interests are included with the consolidated financial statements of the Company for the six months ended June 30, 2017: In 2012, the Company formed Cannabis Science Europe GmbH (“CSE”) in which the Company own 90% to operate joint-venture operations with Dupetit Natural Products Ltd. The JV asset was sold to Endocan Corporation (formerly X-Change Corporation) on December 12, 2012. No operations had commenced at the time of sale of the JV asset. The Company has reignited the CSE by appointing Mr. Alfredo Dupetit on September 19, 2015 as president and chief executive officer of CSE. As recent as January 7, 2016, the Federal Health Ministry in Germany has presented “Cannabis as medicine”, a detailed draft bill that aims to modify the Drug Law and relax the strict measures that regulate the consumption of medical cannabis and, above all, become the main vehicle for everything relating to the plant and its medical users in the country. The Company has reinstated the development of cannabis products in February 2016 for medicinal uses in Germany. On May 6, 2013, the Company formed Cannabis Science International Holdings B.V. and on May 10, 2013, the Company formed Cannabis Science B.V. for the purpose of wholly-owned operating subsidiaries for the Company’s European and world-wide operations. The Company has commenced some operating activities with cultivation in Spain and product development in 2014. Mario Lap, director of the Company and director and officer of Cannabis Science B.V. manages the day-to-day operations through his private companies MLS BV, MJR BV and Cannabis Agency BV, all are Netherlands registered companies. On August 6, 2014, the Company signed a proposal letter with Michigan Green Technologies, LLC (“MGT”) to acquire an additional 30.1% equity in MGT and completed the transaction with the principals of MGT under the proposal letter on February 20, 2015 to effectively increase the Company’s equity ownership to 50.1%. As consideration for acquiring the additional 30.1% equity, the Company issued 1,200,000 shares of common stock with a fair market value of $60,000 to the principals and shareholders of MGT. On May 6, 2015, the Company announced the Assets acquisition of Equi-Pharm LLC, a USA manufacturer and distributor of specialty horse and pet grooming and topical applications. The acquisition incorporates an extensive expansion plan for Equi-Pharm including "Large Animal" such as horses, cattle, sheep and the like and "Small Animal" or "Pets" include cats, dogs, pet snakes and the like for medical and cosmetic products. As consideration for acquiring the Assets, which consist of Inventory, Trademark and brand names, and goodwill, the Company issued ten million (10,000,000) shares to the shareholders of Equi-Pharm and they agreed to change its company name. The acquisition was completed on November 16, 2015 and the Company has formed a new wholly owned subsidiary called Equi-Pharm LLC. in the state of Tennessee and started the operation of distributing of existing and new line of products. On February 2, 2017, the Cannabis Science GmbH, a subsidiary 90% owned by the Company and 10% owned by Dupetit Natural Products GmbH, has entered a Share Purchase Agreement with Jinvator BioMed GmbH (Jinvator), a German corporation, for 74.9% of the total issued and outstanding shares of Jinvator for three hundred thousand Euros (€ 300,000) which has a US dollar equivalent of $320,430. Jinvator developed a prototype called nanoGold-Test which is based on nano-particle technology for the detection of HIV in the early stage of infection. Patent has been submitted and pending for approval. The acquisition is pending on verification of key information. On May 10, 2017, the Company paid €60,000, which has a US dollar equivalent of $65,214, to the principal shareholder of Jinvator BioMed GmbH (Jinvator) as deposit for the purchase of the 74.9% equity interest in Jinvator. On March 27, 2017, the Company entered an agreement to acquire the Assets of AFA Research and Development, a California sole proprietorship of Aja Fonseca Arnold in the research and development of products based on cannabinoid (CBD) and Tetrahydrocannabinol (THC) for patient care. As consideration for acquiring the Assets, which consist of brands, pending trademarks, trade-names, designs, medicinal products and formulations, client base, computer hardware and software, intellectual properties, inventory, equipment, supplies, supplier’s information and contacts, contracted rights, properties, patents, and distribution rights for a total sum of $750,000. The completion of assets acquisition is pending on verification of material information. In addition, the Company engaged Aja Fonseca Arnold under a 5-year management agreement to continue the research and development of medicinal cannabis products for patient care with various ailments. For other accounting policies please refer to the Company’s 10-K/A filed with the SEC on file no. 000-28911 171022778 August 11, 2017 The Company qualifies as an “emerging growth company” as defined in Section 101 of the Jumpstart our Business Startups Act (“JOBS Act”) as we do not have more than $1,000,000,000 in annual gross revenue and did not have such amount as of December 31, 2016, our last fiscal year. We are electing to use the extended transition period for complying with new or revised accounting standards under Section 102(b)(1) of the JOBS Act.

Summary Of Significant Accounting Policies

6 Months Ended

Jun. 30, 2017

Summary of Significant Accounting Policies

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

A. Organization and General Description of Business

Cannabis Science, Inc. (“We” or “the Company”), was incorporated under the laws of the State of Colorado, on February 29, 1996, as Patriot Holdings, Inc. On August 26, 1999, the Company changed its name to National Healthcare Technology, Inc. On June 6, 2007, the Company changed its name from National Healthcare Technology, Inc., to Brighton Oil & Gas, Inc., and converted to a Nevada corporation. On March 25, 2008 the Company changed its name to Gulf Onshore, Inc. On April 6, 2009, the Company changed its name to Cannabis Science, Inc., and obtained a new CUSIP number.

On May 7, 2009 the Company common shares commenced trading under the new stock symbol OTC Pink: CBIS.

Cannabis Science, Inc. is at the forefront of medical marijuana research and development. The Company works with world authorities on phytocannabinoid science targeting critical illnesses, and adheres to scientific methodologies to develop, produce, and commercialize phytocannabinoid-based pharmaceutical products. In sum, we are dedicated to the creation of cannabis-based medicines, both with and without psychoactive properties, to treat disease and the symptoms of disease, as well as for general health maintenance. The Company formed two operating subsidiaries Cannabis Science BV and Cannabis Science International Holding BV in The Netherlands on May 10 ^th and May 6 ^th, 2013, respectively, to pursue business opportunities in Europe and worldwide. There are currently minimal operations in the subsidiaries. Agreements and business disclosures are in process.

On November 15, 2013, the Company submitted a patent application N2010968 in Europe entitled "Composition for the Treatment of Neurobehavioral Disorders." The subject of the patent is development of cannabinoid-based formulations to treat a variety of neurobehavioral disorders, such as attention deficit hyperactivity disorder (ADHD), anxiety, and sleep disorders.

B. Basis of Presentation

These consolidated financial statements and related notes are presented in accordance with accounting principles generally accepted in the United States, and are expressed in U.S. dollars. The Company’s fiscal year end is December 31.

Interim Financial Reporting

While the information presented in the accompanying interim consolidated financial statements is unaudited, it includes all adjustments, which are in the opinion of management, necessary to present fairly the financial position, results of operations and cash flows for the interim periods presented in accordance with general accepted accounting principles in the United States of America (“GAAP”). These interim financial statements follow the same accounting policies and methods of application as used in the December 31, 2016 audited financial statements of Cannabis Science, Inc. (the “Company”). All adjustments are of a normal, recurring nature. Interim financial statements and the notes thereto do not contain all of the disclosures normally found in the year-end audited financial statements and these Notes to Financial Statements are abbreviated and contain only certain disclosures related to the six-month periods ended June 30, 2017 and 2016. It is suggested that these interim financial statements be read in conjunction with the Company’s audited financial statements and related notes for the year ended December 31, 2016 included in our Form 10-K/A filed with the SEC on file no. 000-28911 171022778 August 11, 2017. Operating results for the six months ended June 30, 2017 are not necessarily indicative of the results that can be expected for the year ending December 31, 2017.

The following subsidiaries and controlling interests are included with the consolidated financial statements of the Company for the six months ended June 30, 2017:

In 2012, the Company formed Cannabis Science Europe GmbH (“CSE”) in which the Company own 90% to operate joint-venture operations with Dupetit Natural Products Ltd. The JV asset was sold to Endocan Corporation (formerly X-Change Corporation) on December 12, 2012. No operations had commenced at the time of sale of the JV asset. The Company has reignited the CSE by appointing Mr. Alfredo Dupetit on September 19, 2015 as president and chief executive officer of CSE. As recent as January 7, 2016, the Federal Health Ministry in Germany has presented “Cannabis as medicine”, a detailed draft bill that aims to modify the Drug Law and relax the strict measures that regulate the consumption of medical cannabis and, above all, become the main vehicle for everything relating to the plant and its medical users in the country. The Company has reinstated the development of cannabis products in February 2016 for medicinal uses in Germany.

On May 6, 2013, the Company formed Cannabis Science International Holdings B.V. and on May 10, 2013, the Company formed Cannabis Science B.V. for the purpose of wholly-owned operating subsidiaries for the Company’s European and world-wide operations. The Company has commenced some operating activities with cultivation in Spain and product development in 2014. Mario Lap, director of the Company and director and officer of Cannabis Science B.V. manages the day-to-day operations through his private companies MLS BV, MJR BV and Cannabis Agency BV, all are Netherlands registered companies.

On August 6, 2014, the Company signed a proposal letter with Michigan Green Technologies, LLC (“MGT”) to acquire an additional 30.1% equity in MGT and completed the transaction with the principals of MGT under the proposal letter on February 20, 2015 to effectively increase the Company’s equity ownership to 50.1%. As consideration for acquiring the additional 30.1% equity, the Company issued 1,200,000 shares of common stock with a fair market value of $60,000 to the principals and shareholders of MGT.

On May 6, 2015, the Company announced the Assets acquisition of Equi-Pharm LLC, a USA manufacturer and distributor of specialty horse and pet grooming and topical applications. The acquisition incorporates an extensive expansion plan for Equi-Pharm including "Large Animal" such as horses, cattle, sheep and the like and "Small Animal" or "Pets" include cats, dogs, pet snakes and the like for medical and cosmetic products. As consideration for acquiring the Assets, which consist of Inventory, Trademark and brand names, and goodwill, the Company issued ten million (10,000,000) shares to the shareholders of Equi-Pharm and they agreed to change its company name. The acquisition was completed on November 16, 2015 and the Company has formed a new wholly owned subsidiary called Equi-Pharm LLC. in the state of Tennessee and started the operation of distributing of existing and new line of products.

On February 2, 2017, the Cannabis Science GmbH, a subsidiary 90% owned by the Company and 10% owned by Dupetit Natural Products GmbH, has entered a Share Purchase Agreement with Jinvator BioMed GmbH (Jinvator), a German corporation, for 74.9% of the total issued and outstanding shares of Jinvator for three hundred thousand Euros (€ 300,000) which has a US dollar equivalent of $320,430. Jinvator developed a prototype called nanoGold-Test which is based on nano-particle technology for the detection of HIV in the early stage of infection. Patent has been submitted and pending for approval. The acquisition is pending on verification of key information.

On May 10, 2017, the Company paid €60,000, which has a US dollar equivalent of $65,214, to the principal shareholder of Jinvator BioMed GmbH (Jinvator) as deposit for the purchase of the 74.9% equity interest in Jinvator.

On March 27, 2017, the Company entered an agreement to acquire the Assets of AFA Research and Development, a California sole proprietorship of Aja Fonseca Arnold in the research and development of products based on cannabinoid (CBD) and Tetrahydrocannabinol (THC) for patient care. As consideration for acquiring the Assets, which consist of brands, pending trademarks, trade-names, designs, medicinal products and formulations, client base, computer hardware and software, intellectual properties, inventory, equipment, supplies, supplier’s information and contacts, contracted rights, properties, patents, and distribution rights for a total sum of $750,000. The completion of assets acquisition is pending on verification of material information. In addition, the Company engaged Aja Fonseca Arnold under a 5-year management agreement to continue the research and development of medicinal cannabis products for patient care with various ailments.

For other accounting policies please refer to the Company’s 10-K/A filed with the SEC on file no. 000-28911 171022778 August 11, 2017

The Company qualifies as an “emerging growth company” as defined in Section 101 of the Jumpstart our Business Startups Act (“JOBS Act”) as we do not have more than $1,000,000,000 in annual gross revenue and did not have such amount as of December 31, 2016, our last fiscal year. We are electing to use the extended transition period for complying with new or revised accounting standards under Section 102(b)(1) of the JOBS Act.

CANNABIS SCIENCE, INC. 10-Q