Stockholders Equity (Details) - USD ($)	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Beginning balance, Amount			$ 20,135,000				$ 20,135,000
Net Income (loss)	$ 90,000			$ (2,402,000)			(2,520,000)	$ (10,672,000)
Share-based Compensation Expense-restricted Stock Units							773,000	$ 367,000
Ending balance, Amount	$ 18,614,000						$ 18,614,000
Common Stocks [Member]
Beginning balance, Shares	3,694,298	3,689,717	3,686,939	3,673,773	3,663,000	3,659,800	3,686,939	3,659,800
Beginning balance, Amount	$ 2,217,000	$ 2,214,000	$ 2,212,000	$ 2,204,000	$ 2,198,000	$ 2,196,000	$ 2,212,000	$ 2,196,000
Net Income (loss)	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Common stock issued, shares	1,254	2,661	858
Common stock issued, amount	$ 1,000	$ 2,000	$ 1,000
Common Stock Issued Under Restricted Stock Units, shares	27,418	1,920	1,920	13,166	10,773	3,200
Common Stock Issued Under Restricted Stock Units, Amount	$ 16,000	$ 1,000	$ 1,000	$ 8,000	$ 6,000	$ 2,000
Share-based Compensation Expense-stock Options	0	0	0	0	0	0
Share-based Compensation Expense-restricted Stock Units	$ 0	$ 0	$ 0	0	0	$ 0
Common stock dividends ($0.03 per share)				$ 0	$ 0
Ending Balance, shares	3,722,970	3,694,298	3,689,717	3,686,939	3,673,773	3,663,000	3,722,970	3,686,939
Ending balance, Amount	$ 2,234,000	$ 2,217,000	$ 2,214,000	$ 2,212,000	$ 2,204,000	$ 2,198,000	$ 2,234,000	$ 2,212,000
Additional Paids-In Capital [Member]
Beginning balance, Amount	45,600,000	45,444,000	45,304,000	45,014,000	44,798,000	44,645,000	45,304,000	44,645,000
Net Income (loss)	0	0	0	0	0	0
Common stock issued, amount	12,000	33,000	14,000
Common Stock Issued Under Restricted Stock Units, Amount	(7,000)	(1,000)	(1,000)	(8,000)	(6,000)	(2,000)
Share-based Compensation Expense-stock Options	44,000	61,000	58,000	69,000	51,000	85,000
Share-based Compensation Expense-restricted Stock Units	641,000	63,000	69,000	126,000	171,000	70,000
Common stock dividends ($0.03 per share)				0	0
Ending balance, Amount	46,281,000	45,600,000	45,444,000	45,201,000	45,014,000	44,798,000	46,281,000	45,201,000
Retained Earning (Accumulated Deficit) [Member]
Beginning balance, Amount	(24,589,000)	(23,249,000)	(21,979,000)	(18,105,000)	(12,757,000)	(8,821,000)	(21,979,000)	(8,821,000)
Net Income (loss)	90,000	(1,340,000)	(1,270,000)	(2,402,000)	(4,334,000)	(3,936,000)
Common stock issued, amount	0	0	0
Common Stock Issued Under Restricted Stock Units, Amount	0	0	0	0	0	0
Share-based Compensation Expense-stock Options	0	0	0	0	0	0
Share-based Compensation Expense-restricted Stock Units	0	0	0	0	0	0
Common stock dividends ($0.03 per share)				(511,000)	(1,014,000)
Ending balance, Amount	(24,499,000)	(24,589,000)	(23,249,000)	(21,018,000)	(18,105,000)	(12,757,000)	(24,499,000)	(21,018,000)
Treasury Stocks [Member]
Beginning balance, Amount	(5,402,000)	(5,402,000)	(5,402,000)	(5,402,000)	(5,402,000)	(5,402,000)	(5,402,000)	(5,402,000)
Net Income (loss)	0	0	0	0	0	0
Common stock issued, amount	0	0	0
Common Stock Issued Under Restricted Stock Units, Amount	0	0	0	0	0	0
Share-based Compensation Expense-stock Options	0	0	0	0	0	0
Share-based Compensation Expense-restricted Stock Units	0	0	0	0	0	0
Common stock dividends ($0.03 per share)				0	0
Ending balance, Amount	(5,402,000)	(5,402,000)	(5,402,000)	(5,402,000)	(5,402,000)	(5,402,000)	(5,402,000)	(5,402,000)
Total [Member]
Beginning balance, Amount	17,826,000	19,007,000	20,135,000	23,711,000	28,837,000	32,618,000	20,135,000	32,618,000
Net Income (loss)	90,000	(1,340,000)	(1,270,000)	(2,402,000)	(4,334,000)	(3,936,000)
Common stock issued, amount	13,000	35,000	15,000
Common Stock Issued Under Restricted Stock Units, Amount	0	0	0	0	0	0
Share-based Compensation Expense-stock Options	44,000	61,000	58,000	69,000	51,000	85,000
Share-based Compensation Expense-restricted Stock Units	641,000	63,000	69,000	126,000	171,000	70,000
Common stock dividends ($0.03 per share)				(511,000)	(1,015,000)
Ending balance, Amount	$ 18,614,000	$ 17,826,000	$ 19,007,000	$ 20,993,000	$ 23,711,000	$ 28,837,000	$ 18,614,000	$ 20,993,000