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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2021

Fair Value Disclosures [Abstract]

Schedule of Warrant Derivative Liabilities

The following table presents the assumptions used for the warrant derivative liabilities under the Black-Scholes option-pricing model:

		As of March 31, 2021								As of December 31, 2020
			Strome Warrants				B. Riley Warrants				Strome Warrants				B. Riley Warrants
Expected life			2.21				4.55				2.45				4.79
Risk-free interest rate			0.16	%			0.92	%			0.13	%			0.36	%
Volatility factor			150.37	%			151.48	%			150.55	%			140.95	%
Dividend rate			0	%			0	%			0	%			0	%
Transaction date closing market price		$	0.91			$	0.91			$	0.60			$	0.60
Exercise price		$	0.50			$	1.00			$	0.50			$	1.00

Schedule of Valuation Activity for Warrants Accounted for Derivative Liability

The following table represents the carrying amounts and change in valuation for the Company’s warrants accounted for as a derivative liability and classified within Level 3 of the fair-value hierarchy:

		As of and for the Three Months Ended March 31, 2021												As of and for the Three Months Ended March 31, 2020
		Carry Amount at Beginning of Period				Change in Valuation				Carrying Amount at End of Period				Carry Amount at Beginning of Period				Change in Valuation				Carrying Amount at End of Period
Strome Warrants		$	704,707			$	398,861			$	1,103,568			$	1,036,687			$	(110,081	)		$	926,606
B. Riley Warrants			443,188				266,175				709,363				607,513				(29,138	)			578,375
Total		$	1,147,895			$	665,036			$	1,812,931			$	1,644,200			$	(139,219	)		$	1,504,981