Shareholders’ Equity (Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Stockholders' Equity Attributable to Parent, Beginning Balance	$ 46,149,000
Net current period other comprehensive income (loss)	(879,000)	$ 909,000
Accumulated other comprehensive loss balance, end of period	46,073,000	46,149,000
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Stockholders' Equity Attributable to Parent, Beginning Balance	(60,641,000)	(61,323,000)
Translation adjustments	(879,000)	909,000
Translation Adjustment, Foreign Currency, Deconsolidation of Subsidiary Sold	0	(227,000)
Net current period other comprehensive income (loss)	(879,000)	682,000
Accumulated other comprehensive loss balance, end of period	$ (61,520,000)	$ (60,641,000)