Consolidated Statements of Stockholders' Equity (Deficit) - USD ($) shares in Thousands	Conversion of Series A Convertible Preferred Stock [Member] Preferred Stock [Member] Series A Preferred Stock [Member]	Conversion of Series A Convertible Preferred Stock [Member] Common Stock [Member]	Conversion of Series A Convertible Preferred Stock [Member] Additional Paid-in Capital [Member]	Conversion of Series A Convertible Preferred Stock [Member] Retained Earnings [Member]	Conversion of Series A Convertible Preferred Stock [Member]	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, 2019						204	172,982
Balance at Dec. 31, 2019						$ 0	$ 173,000	$ 1,756,000	$ (2,476,000)	$ (547,000)
Conversion of convertible preferred stock (in shares)	0	16,925
Conversion of convertible preferred stock	$ 0	$ 17,000	$ (17,000)	$ 0	$ 0
Reclassification of liability awards to equity						0	0	1,638,000	0	1,638,000
Accrue dividends payable on Series A convertible preferred stock						$ 0	$ 0	(1,650,000)	0	(1,650,000)
Stock compensation (in shares)						0	0
Stock compensation						$ 0	$ 0	1,750,000	0	1,750,000
Net income (loss)						$ 0	$ 0	0	(7,187,000)	(7,187,000)
Balance (in shares) at Dec. 31, 2020						204	189,907
Balance at Dec. 31, 2020						$ 0	$ 190,000	3,477,000	(9,663,000)	(5,996,000)
Conversion of convertible preferred stock (in shares)	(62)	13,977
Conversion of convertible preferred stock	$ 0	$ 14,000	$ (14,000)	$ 0	$ 0
Accrue dividends payable on Series A convertible preferred stock						$ 0	$ 0	(3,000)	0	(3,000)
Stock compensation (in shares)						0	1,750
Stock compensation						$ 0	$ 2,000	550,000	0	552,000
Net income (loss)						$ 0	$ 0	0	4,808	4,808,000
Issuance of common stock to related parties for cash (in shares)						0	3,517
Issuance of common stock to related parties for cash						$ 0	$ 3,000	2,997,000	0	3,000,000
Issuance of common stock for dividend payment (in shares)						0	1,736
Issuance of common stock for dividend payment						$ 0	$ 2,000	768,000	0	770,000
Fraction shares adjustment due to reverse split (in shares)						0	3
Balance (in shares) at Dec. 31, 2021						142	210,890
Balance at Dec. 31, 2021						$ 0	$ 211,000	$ 7,775,000	$ (4,855,000)	$ 3,131,000