Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($)	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, 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)	(29)	6,502
Conversion of convertible preferred stock	$ 0	$ 7,000	$ (7,000)	$ 0	$ 0
Stock compensation (in shares)						0	1,500
Stock compensation						$ 0	$ 1,000	523,000	0	524,000
Net income (loss)						$ 0	$ 0	0	(373,000)	(373,000)
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
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
Balance (in shares) at Jun. 30, 2021						175	203,165
Balance at Jun. 30, 2021						$ 0	$ 203,000	7,758,000	(10,036,000)	(2,075,000)
Balance (in shares) at Mar. 31, 2021						179	199,296
Balance at Mar. 31, 2021						$ 0	$ 199,000	6,917,000	(29,800,000)	(22,684,000)
Conversion of convertible preferred stock (in shares)	(4)	833
Conversion of convertible preferred stock	$ 0	$ 1,000	(1,000)	0	0
Stock compensation (in shares)						0	1,500
Stock compensation						$ 0	$ 1,000	164,000	0	165,000
Net income (loss)						$ 0	$ 0	0	19,764,000	19,764,000
Issuance of common stock for dividend payment (in shares)						0	1,533
Issuance of common stock for dividend payment						$ 0	$ 2,000	678,000	0	680,000
Fraction shares adjustment due to reverse split (in shares)						0	3
Balance (in shares) at Jun. 30, 2021						175	203,165
Balance at Jun. 30, 2021						$ 0	$ 203,000	7,758,000	(10,036,000)	(2,075,000)
Balance (in shares) at Dec. 31, 2021						142,000	210,890,000
Balance at Dec. 31, 2021						$ 0	$ 211,000	7,775,000	(4,855,000)	3,131,000
Conversion of convertible preferred stock (in shares)	(4,000)	748,000
Conversion of convertible preferred stock	$ 0	$ 1,000	(1,000)	0	0
Stock compensation (in shares)						0	6,087,000
Stock compensation						$ 0	$ 6,000	50,000	0	56,000
Net income (loss)						$ 0	$ 0	0	70,000	70,000
Balance (in shares) at Jun. 30, 2022						138,000	217,725,000
Balance at Jun. 30, 2022						$ 0	$ 218,000	7,824,000	(4,785,000)	3,257,000
Balance (in shares) at Mar. 31, 2022						141,000	216,840,000
Balance at Mar. 31, 2022						$ 0	$ 217,000	7,787,000	(4,149,000)	3,855,000
Conversion of convertible preferred stock (in shares)	(3,000)	579,000
Conversion of convertible preferred stock	$ 0	$ 1,000	$ (1,000)	$ 0	$ 0
Stock compensation (in shares)						0	306,000
Stock compensation						$ 0	$ 0	38,000	0	38,000
Net income (loss)						$ 0	$ 0	0	(636,000)	(636,000)
Balance (in shares) at Jun. 30, 2022						138,000	217,725,000
Balance at Jun. 30, 2022						$ 0	$ 218,000	$ 7,824,000	$ (4,785,000)	$ 3,257,000