Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($) shares in Thousands	Preferred Stock [Member] Series A Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2022	133	219,163
Balance at Dec. 31, 2022	$ 0	$ 219,000	$ 7,928,000	$ (6,447,000)	$ 1,700,000
Conversion of Series A convertible preferred stock (in shares)	(3)	749
Conversion of Series A convertible preferred stock	$ 0	$ 1,000	(1,000)	0	0
Stock compensation (in shares)	0	4,200
Stock compensation	$ 0	$ 4,000	41,000	0	45,000
Net loss	$ 0	$ 0	0	(1,390,000)	(1,390,000)
Balance (in shares) at Mar. 31, 2023	130	224,112
Balance at Mar. 31, 2023	$ 0	$ 224,000	7,968,000	(7,837,000)	355,000
Balance (in shares) at Dec. 31, 2023	128	228,535
Balance at Dec. 31, 2023	$ 0	$ 229,000	8,204,000	(8,540,000)	(107,000)
Conversion of Series A convertible preferred stock (in shares)	(2)	339
Conversion of Series A convertible preferred stock	$ 0	$ 0	0	0
Forfeiture of restricted stock awards (in shares)		(50)
Forfeiture of restricted stock awards		$ 0	0	0	0
Stock compensation (in shares)	0	525
Stock compensation	$ 0	$ 0	62,000	0	62,000
Net loss	$ 0	$ 0	0	(1,045,000)	(1,045,000)
Balance (in shares) at Mar. 31, 2024	126	229,349
Balance at Mar. 31, 2024	$ 0	$ 229,000	$ 8,266,000	$ (9,585,000)	$ (1,090,000)