Note 1 - Organization and Nature of Operations	3 Months Ended
Mar. 31, 2026
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	1. ORGANIZATION AND NATURE OF OPERATIONS On December 14, 2020, our predecessor company, formerly known as Tenzing Acquisition Corp., a British Virgin Islands exempted company (“Tenzing”), and Reviva Pharmaceuticals, Inc., a Delaware corporation (together with its consolidated subsidiaries, “Old Reviva”), consummated the transactions (the “Business Combination”) contemplated by the Agreement and Plan of Merger, dated as of July 20, 2020 (as amended, the “Merger Agreement”), by and among Tenzing, Tenzing Merger Subsidiary Inc., a Delaware corporation and wholly-owned subsidiary of Tenzing (“Merger Sub”), Old Reviva, and the other parties thereto. Pursuant to the Merger Agreement, Merger Sub merged with and into Old Reviva, with Old Reviva surviving as our wholly owned subsidiary. We refer to this transaction as the Business Combination. In connection with and one day prior to the completion of the Business Combination, Tenzing re-domiciled out of the British Virgin Islands and continued as a company incorporated in the State of Delaware and changed its name to Reviva Pharmaceuticals Holdings, Inc. (together with its consolidated subsidiaries, the “Company”). Prior to the completion of the Business Combination, the Company was a shell company. Following the Business Combination, the business of Old Reviva is the business of the Company. Reviva Pharmaceuticals, Inc. was originally incorporated in the state of Delaware and commenced operations on May 1, 2006 and its Indian subsidiary, Reviva Pharmaceuticals India Pvt. Ltd. was incorporated in 2014. In these notes to the unaudited condensed consolidated financial statements, unless otherwise specified or the context indicates otherwise, references to the “Company,” “Reviva,” “we,” “us” and “our” refer to Reviva Pharmaceuticals Holdings, Inc. and its consolidated subsidiaries. Reverse Stock Split On March 9, 2026, Reviva completed a 1-for-20 reverse stock split of its issued and outstanding shares of common stock (the "Reverse Split"). The Reverse Split did not change the number of authorized shares of common stock or par value of the Company's common stock. No cash or fractional shares were issued in connection with the Reverse Split, and instead the Company rounded up to the next whole share in lieu of issuing factional shares that would have been issued in the Reverse Split. Proportional adjustments were made to the number of shares of common stock issuable upon exercise or conversion of the Company’s outstanding stock options, restricted common stock, and warrants, the exercise price of the Company’s outstanding stock options, restricted common stock and warrants, and the number of shares reserved for issuance under the Company’s equity incentive plan. All share, common stock warrant, prefunded warrant, restricted common stock and common stock option amounts, and per share, per common stock warrant, per prefunded warrant, per restricted common stock and per common stock option amounts, in these condensed consolidated financial statements have been retrospectively adjusted as appropriate to reflect the Reverse Split.

Note 1 - Organization and Nature of Operations

3 Months Ended

Mar. 31, 2026

Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]

1. ORGANIZATION AND NATURE OF OPERATIONS

On December 14, 2020, our predecessor company, formerly known as Tenzing Acquisition Corp., a British Virgin Islands exempted company (“Tenzing”), and Reviva Pharmaceuticals, Inc., a Delaware corporation (together with its consolidated subsidiaries, “Old Reviva”), consummated the transactions (the “Business Combination”) contemplated by the Agreement and Plan of Merger, dated as of July 20, 2020 (as amended, the “Merger Agreement”), by and among Tenzing, Tenzing Merger Subsidiary Inc., a Delaware corporation and wholly-owned subsidiary of Tenzing (“Merger Sub”), Old Reviva, and the other parties thereto. Pursuant to the Merger Agreement, Merger Sub merged with and into Old Reviva, with Old Reviva surviving as our wholly owned subsidiary. We refer to this transaction as the Business Combination. In connection with and one day prior to the completion of the Business Combination, Tenzing re-domiciled out of the British Virgin Islands and continued as a company incorporated in the State of Delaware and changed its name to Reviva Pharmaceuticals Holdings, Inc. (together with its consolidated subsidiaries, the “Company”). Prior to the completion of the Business Combination, the Company was a shell company. Following the Business Combination, the business of Old Reviva is the business of the Company.

Reviva Pharmaceuticals, Inc. was originally incorporated in the state of Delaware and commenced operations on May 1, 2006 and its Indian subsidiary, Reviva Pharmaceuticals India Pvt. Ltd. was incorporated in 2014. In these notes to the unaudited condensed consolidated financial statements, unless otherwise specified or the context indicates otherwise, references to the “Company,” “Reviva,” “we,” “us” and “our” refer to Reviva Pharmaceuticals Holdings, Inc. and its consolidated subsidiaries.

Reverse Stock Split

On March 9, 2026, Reviva completed a 1-for-20 reverse stock split of its issued and outstanding shares of common stock (the "Reverse Split"). The Reverse Split did not change the number of authorized shares of common stock or par value of the Company's common stock. No cash or fractional shares were issued in connection with the Reverse Split, and instead the Company rounded up to the next whole share in lieu of issuing factional shares that would have been issued in the Reverse Split. Proportional adjustments were made to the number of shares of common stock issuable upon exercise or conversion of the Company’s outstanding stock options, restricted common stock, and warrants, the exercise price of the Company’s outstanding stock options, restricted common stock and warrants, and the number of shares reserved for issuance under the Company’s equity incentive plan. All share, common stock warrant, prefunded warrant, restricted common stock and common stock option amounts, and per share, per common stock warrant, per prefunded warrant, per restricted common stock and per common stock option amounts, in these condensed consolidated financial statements have been retrospectively adjusted as appropriate to reflect the Reverse Split.

REVIVA PHARMACEUTICALS HOLDINGS, INC. 10-Q