Stockholders’ Equity (Tables)

6 Months Ended

Jun. 30, 2022

Equity [Abstract]

Schedule of Stockholders’ Equity

	Series B Preferred Stock				Common Stock				Paid-in		Accumulated			Total   Stockholders’
(Shares and dollars in thousands)	Shares		Amount		Shares		Amount		Capital		Deficit			Equity
Balance, December 31, 2021		2,500	$	-		14,791	$	1	$	72,003	$	(58,605	)	$	13,399
Stock-based compensation		-		-		-		-		3		-			3
Issuance of common stock for services by third parties		-		-		286		-		230		-			230
Issuance of common stock for services by employees		-		-		170		-		206		-			206
Issuance of detachable warrants on notes payable		-		-		-		-		1,454		-			1,454
Shares issued for cash		-		-		200		1		196		-			197
Preferred stock dividends		-		-		-		-		-		(75	)		(75	)
Net loss		-		-		-		-		-		(3,824	)		(3,824	)
Balance, June 30, 2022		2,500	$	-		15,447	$	2	$	74,092		$ (62,504)		$	11,590

Summary of Stock Option Activity

A summary of all stock option activity as of and for the six months ended June 30, 2022 is presented below:

	# of Options			Weighted- Average Exercise Price
Outstanding as of December 31, 2021		57,586		$	3.29
Options canceled		(5,834	)		4.43
Outstanding as of June 30, 2022		51,752		$	3.16
Exercisable as of June 30, 2022		51,585		$	3.16

Schedule of Weighted-average Assumptions for New Warrants

The estimated fair value of the new warrants issued was based on a combination of closing market trading price on the date of issuance for the public offering warrants, and the Black-Scholes option-pricing model, using the assumptions below:

Volatility		75	%
Risk-free interest rate		2.5	%
Expected term (in years)		5.0
Expected dividend yield		-
Fair value of common stock	$	0.80

Summary of Warrants Activity

A summary of all warrant activity as of and for the six months ended June 30, 2022 is presented below:

	Warrants		Weighted- Average Remaining Life (Years)		Weighted- Average Exercise Price		Aggregate Intrinsic Value
Outstanding as of December 31, 2021		1,256,944		4.0	$	3.42	$	-
Granted		2,500,000		4.6		1.20		-
Outstanding as of June 30, 2022		3,756,944		4.2	$	1.86	$	-