Commitments and Contingencies (Details Textual)		1 Months Ended		6 Months Ended
	Sep. 03, 2014 USD ($) shares	May 31, 2019	Feb. 28, 2007 shares	Jun. 30, 2019 USD ($) ft²
Commitments and Contingencies (Textual)
Commitments related to agreements				$ 450,000
Maximum payment for commitment milestones	$ 10,000,000			$ 7,900,000
Office lease amendment date				October 2017
Office lease agreement expiration date				Oct. 31, 2020
Percentage for royalties				6.00%
Number of months that office rent increases				12 months
Monthly office rent amount before increment				$ 11,367
Monthly office rent amount before increment, per square foot				22.00
Number of remaining months for which increased rent paid				12 months
New office rent amount, Nov. 1, 2018				$ 11,625
New office rent amount effective Nov. 1, 2018, per square foot				22.50
Office rent amount, Nov., 1, 2019				$ 11,883
Office rent amount Nov. 1, 2019, per square foot				23.00
Cash paid to acquire Hy Biopharma intangible asset	$ 275,000
Shares issued in connection with Hy BioPharma asset purchase agreement | shares	184,912
Fair value of shares issued in connection with Hy BioPharma asset purchase	$ 3,750,000
Maximum percentage of Hy BioPharma ownership of Soligenix outstanding stock	19.90%
Office space | ft²				6,200
Description of service agreement		The Company entered into a four-month service agreement with a third party vendor, which requires the Company to issue at pre-determined intervals 100,000 shares of common stock restricted under Rule 144 as partial compensation for the services provided. In accordance with the agreement, the Company has issued 50,000 shares of common stock with a fair value of $0.83 per share on May 15, 2019 and 25,000 shares of common stock with a fair value of $0.98 on July 15, 2019. The Company will issue the remaining 25,000 shares of common stock on August 15, 2019. The service agreement may be terminated at any time upon written notice.
Dr, Schaber [Member]
Commitments and Contingencies (Textual)
Authorized shares to be issued to Dr. Schaber immediately prior to the completion of a transaction | shares			5,000