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Fair Value Measurements - Schedule of Valuation Activity for Warrants Accounted for Derivative Liability (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Strome Warrants [Member]    
Carrying value beginning period $ 704,707 $ 1,036,687
Change in valuation of warrant derivative liabilities 398,861 (110,081)
Carrying value at end of the period 1,103,568 926,606
B. Riley Warrants [Member]    
Carrying value beginning period 443,188 607,513
Change in valuation of warrant derivative liabilities 266,175 (29,138)
Carrying value at end of the period 709,363 578,375
Warrants [Member]    
Carrying value beginning period 1,147,895 1,644,200
Change in valuation of warrant derivative liabilities 665,036 (139,219)
Carrying value at end of the period $ 1,812,931 $ 1,504,981