Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Schedule of Fair Value Measurements

	Fair Value Measurements at December 31, 2021
	Quoted Prices in Active Markets for Identical Assets		Other Observable Inputs		Significant Unobservable Inputs
(in thousands)	(Level 1)		(Level 2)		(Level 3)		Total
Derivative liability	$	-	$	-	$	7,697	$	7,697
Total	$	-	$	-	$	7,697	$	7,697

Schedule of Roll Forward of Level 3 Financial Instruments

A roll forward of the level 3 valuation financial instruments is as follows:

	Year Ended December 31, 2021
(In thousands)	Warrants			Notes			Total
Balance at December 31, 2020	$	—		$	—		$	—
Initial valuation of derivative liabilities included in debt discount		—			377			377
Initial valuation of derivative liabilities included in derivative expense		246			1,348			1,594
Reclassification of derivative liabilities gain to loss on debt extinguishment		(52	)		(193	)		(245	)
Reclass from additional paid-in capital		3,107			355			3,462
Change in fair value included in derivative expense		2,035			474			2,509
Balance at December 31, 2021	$	5,336		$	2,361		$	7,697

Schedule of Earnings Per Share, Basic and Diluted

The following table presents the computation of net loss per share (in thousands, except share and per share data):

	December 31,
(in thousands except share and per share data)	2021			2020
Numerator
Net loss	$	(6,351	)	$	(3,766	)
Preferred stock dividends		(2,054	)		(1,540	)
Net Loss allocable to common stockholders	$	(8,405	)	$	(5,306	)
Denominator
Weighted average common shares outstanding used to compute net loss per share, basic and diluted		13,003,658			10,876,513
Net loss per share of common stock, basic and diluted
Net loss per share, basic and diluted	$	(0.65	)	$	(0.49	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following number of shares have been excluded from diluted net (loss) since such inclusion would be anti-dilutive:

	Year Ended December 31,
	2021		2020
Stock options outstanding		384,050		391,350
Convertible notes		48,696,732		33,658,590
Warrants		74,625,139		78,181,855
Series C Preferred Stock		66,667		66,667
Series D Preferred Stock		50,000		50,000
Series E Preferred Stock		43,240,749		42,055,232
Series F Preferred Stock		4,555,010		4,303,767
Total		171,618,347		158,707,461