Shareholders’ Equity (Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Stockholders' Equity Attributable to Parent, Beginning Balance	$ 38,775,000
Net current period other comprehensive income (loss)	909,000	$ (205,000)
Accumulated other comprehensive loss balance, end of period	46,149,000	38,775,000
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Stockholders' Equity Attributable to Parent, Beginning Balance	(61,323,000)	(61,118,000)
Translation adjustments	909,000	(205,000)
Translation Adjustment, Foreign Currency, Deconsolidation of Subsidiary Sold	(227,000)	0
Net current period other comprehensive income (loss)	682,000	(205,000)
Accumulated other comprehensive loss balance, end of period	$ (60,641,000)	$ (61,323,000)