Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Stockholders' Equity (Unaudited)

Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Common Shares Issuable [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Beginning balance, value at Dec. 31, 2021	$ 1	$ 32	$ 1,113	$ 674,348	$ (653,584)	$ 21,910
Beginning balance, shares at Dec. 31, 2021	96,000	32,062,000	327,000
Issuance of common shares for services				2,462		2,462
Issuance of common shares for services, shares		412,000
Net loss					(15,300)	(15,300)
Equity compensation to officers, employees, and board of directors			$ 938	2,916		3,854
Equity compensation to officers, employees, and board of directors, shares		242,000	378,000
Issuance of common shares in settlement of vendors payable		$ 1		3,250		3,251
Issuance of common shares in settlement of vendors payable, shares		1,222,000
Cancellation of common stock upon settlement with former officer		$ (1)		(222)		(223)
Cancellation of common stock upon settlement with former officer, shares		(1,845,000)
Cancellation of common stock
Cancellation of common stock, shares		(291,000)
Common shares issued upon conversion of notes payable			$ (1,113)	1,113
Common shares issued upon conversion of notes payable, shares		327,000	(327,000)
Ending balance, value at Sep. 30, 2022	$ 1	$ 32	$ 938	683,867	(668,884)	15,954
Ending balance, shares at Sep. 30, 2022	96,000	32,129,000	378,000
Beginning balance, value at Jun. 30, 2022	$ 1	$ 31		677,411	(662,003)	15,440
Beginning balance, shares at Jun. 30, 2022	96,000	30,694,000
Issuance of common shares for services				1,200		1,200
Issuance of common shares for services, shares		135,000
Net loss					(6,881)	(6,881)
Equity compensation to officers, employees, and board of directors			$ 938	2,006		2,944
Equity compensation to officers, employees, and board of directors, shares		78,000	378,000
Issuance of common shares in settlement of vendors payable		$ 1		3,250		3,251
Issuance of common shares in settlement of vendors payable, shares		1,222,000
Ending balance, value at Sep. 30, 2022	$ 1	$ 32	$ 938	683,867	(668,884)	15,954
Ending balance, shares at Sep. 30, 2022	96,000	32,129,000	378,000
Beginning balance, value at Dec. 31, 2022	$ 1	$ 33		686,168	(674,468)	11,734
Beginning balance, shares at Dec. 31, 2022	96,000	32,723,000
Fair value of vested stock options				1,337		1,337
Issuance of common shares for services				430		430
Issuance of common shares for services, shares		473,000
Net loss					(4,635)	(4,635)
Private placement of common stock		$ 4		6,264		6,268
Private placement of common stock, shares		3,600,000
Initial recognition of fair value of warrant liability				(5,831)		(5,831)
Issuance of common stock for exercise of Prefunded Warrants		$ 3		(3)
Issuance of common stock for exercise of Prefunded Warrants, shares		2,900,000
Issuance of common stock in settlement of accounts payable and accrued expenses		$ 2		700		$ 702
Issuance of common stock in settlement of accounts payable, shares		1,723,000
Issuance of common shares in settlement of vendors payable, shares						1,723,094
Ending balance, value at Sep. 30, 2023	$ 1	$ 42		689,065	(679,103)	$ 10,005
Ending balance, shares at Sep. 30, 2023	96,000	41,419,000
Beginning balance, value at Jun. 30, 2023	$ 1	$ 41		688,408	(676,687)	11,763
Beginning balance, shares at Jun. 30, 2023	96,000	40,640,000
Fair value of vested stock options				433		433
Issuance of common shares for services		$ 1		114		115
Issuance of common shares for services, shares		400,000
Issuance of common stock in settlement of accounts payable and accrued expenses				110		110
Issuance of common stock in settlement of accounts payable and accrued expenses, shares		379,000
Net loss					(2,416)	(2,416)
Ending balance, value at Sep. 30, 2023	$ 1	$ 42		$ 689,065	$ (679,103)	$ 10,005
Ending balance, shares at Sep. 30, 2023	96,000	41,419,000