Consolidated Statements of Stockholder's Equity (Deficit) - USD ($) shares in Thousands, $ in Thousands	Preferred Stock [Member] Series B Preferred Stock [Member]	Preferred Stock [Member] Series C Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2021				$ 72,003	$ (58,605)	$ 13,398
Balance, shares at Dec. 31, 2021	2,500		740
Stock-based compensation				3		3
Issuance of common stock for services by third parties				315		315
Issuance of common stock for services by third parties, shares			28
Issuance of common stock for services by employees				205		205
Issuance of common stock for services by employees, shares			9
Issuance of detachable warrants on notes payable				630		630
Shares issued for cash				199		199
Shares issued for cash, shares			10
Preferred stock dividends				150	(150)
Preferred stock dividends, shares			23
Net loss					(16,266)	(16,266)
Balance at Dec. 31, 2022				73,505	(75,021)	(1,516)
Balance, shares at Dec. 31, 2022	2,500		810
Issuance of common stock for services by third parties				568		568
Issuance of common stock for services by third parties, shares			139
Issuance of common stock for services by employees				109		109
Issuance of common stock for services by employees, shares			24
Shares issued for cash				1,396		1,396
Shares issued for cash, shares			343
Preferred stock dividends				150	(150)
Preferred stock dividends, shares			93
Net loss					(7,535)	(7,535)
Debt to equity conversion				7,831		7,831
Debt to equity conversion, shares		200	297
Balance at Dec. 31, 2023				$ 83,559	$ (82,706)	$ 853
Balance, shares at Dec. 31, 2023	2,500	200	1,706