Summary of Principal Accounting Policies (Details Textual) - USD ($)	6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2017	Dec. 31, 2018	Mar. 31, 2018
Summary of Principal Accounting Policies (Textual)
Working capital deficiency	$ 4,419,492			$ 4,856,536
Cash	18,046	$ 26,981	$ 40,372	41,321	$ 41,321
Net cash used in operating activities	(1,434,574)	(2,746,415)
Net cash provided by financing activities	1,302,956	$ 2,609,598
Accumulated deficits	$ (15,735,086)			$ (8,370,529)
Concentration Risk, Percentage			0.30%
Recognized income tax, percentage		50.00%
One Customer [Member ]
Summary of Principal Accounting Policies (Textual)
Concentration Risk, Percentage	99.00%
Other intangible assets [Member]
Summary of Principal Accounting Policies (Textual)
Trade mark and other intangible assets, estimated useful life	10 years
Investor [Member]
Summary of Principal Accounting Policies (Textual)
Agreements, description	On September 13, 2019, the CEO of the Company and one third-party investor ("the Investor") entered into an investment agreement to extend $3 million to the Company for hosting Rebel 10 event ("Rebel 10 event") in December 2019. Based on the agreement, the funding is comprised of a $1.5 million 1-year convertible loan with interest of 8% per annum. The Investor may convert all of the principal amount of the loan into 1,500,000 shares of Company's common stock at any time through September 12, 2020. Pursuant to the terms of the Investment Agreement, the Investor paid the Company $1,000,000 on September 23, 2019 and $500,000 on October 19, 2019.
Subscription Arrangement [Member]
Summary of Principal Accounting Policies (Textual)
Agreements, description	On July 12, July 23 and August 9, 2019, the Company entered into several Subscription Agreements (the "Subscription Agreements") with four third-party investors (the "Investors"), according to which the Investors will pay $1,210,000 in exchange for 806,667 shares of the Company's common stock. As of the date of this quarterly report on Form 10-Q, the Investors have received 806,667 shares of the Company's common stock and the Company has yet to receive any payments. The Company expects to receive the payments in full by December 31, 2019.

Rebel Group, Inc. 10-Q