Stockholders Equity (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Beginning balance, Amount	$ 20,135,000
Net Income (loss)	(1,270,000)	$ (3,936,000)
Ending balance, Amount	19,007,000
Share-based Compensation Expense-restricted Stock Units	69,000	70,000
Total [Member]
Beginning balance, Amount	20,135,000	32,618,000
Net Income (loss)	(1,270,000)	(3,936,000)
Ending balance, Amount	19,007,000	28,837,000
Common stock issued, amount	15,000
Common Stock Issued Under Restricted Stock Units, Amount	0	0
Share-based Compensation Expense-stock Options	58	85
Share-based Compensation Expense-restricted Stock Units	69,000	70,000
Common Stock [Member]
Beginning balance, Amount	11,061,000	10,979,000
Net Income (loss)	0	0
Ending balance, Amount	11,069,000	10,989,000
Common stock issued, amount	2,000
Common Stock Issued Under Restricted Stock Units, Amount	6,000	10,000
Share-based Compensation Expense-stock Options	0	0
Share-based Compensation Expense-restricted Stock Units	$ 0	$ 0
Beginning balance, Shares	18,434,697	18,298,999
Common stock issued, shares	4,290
Common Stock Issued Under Restricted Stock Units, shares	9,600	16,000
Ending Balance, shares	18,448,587	18,314,999
Treasury Stock [Member]
Beginning balance, Amount	$ (5,402,000)	$ (5,402)
Net Income (loss)	0	0
Ending balance, Amount	(5,402,000)	(5,402,000)
Common stock issued, amount	0
Common Stock Issued Under Restricted Stock Units, Amount	0	0
Share-based Compensation Expense-stock Options	0	0
Share-based Compensation Expense-restricted Stock Units	0	0
Additional Paid-In Capital [Member]
Beginning balance, Amount	36,455,000	35,862,000
Net Income (loss)	0	0
Ending balance, Amount	36,589,000	36,007,000
Common stock issued, amount	13,000
Common Stock Issued Under Restricted Stock Units, Amount	(6,000)	(10,000)
Share-based Compensation Expense-stock Options	58,000	85,000
Share-based Compensation Expense-restricted Stock Units	69,000	70,000
Retained Earnings (Accumulated Deficit) [Member]
Beginning balance, Amount	(21,979,000)	(8,821,000)
Net Income (loss)	(1,270,000)	(3,936,000)
Ending balance, Amount	(23,249,000)	(12,757,000)
Common stock issued, amount	0
Common Stock Issued Under Restricted Stock Units, Amount	0	0
Share-based Compensation Expense-stock Options	0	0
Share-based Compensation Expense-restricted Stock Units	$ 0	$ 0