Accumulated Other Comprehensive Loss (Details) - USD ($)	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	$ (4,232,000)	$ 1,891,000
Ending balance	(1,469,000)	(2,883,000)
Accumulated other comprehensive income (loss)	0	0
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(3,793,000)	(4,059,000)
Ending balance	(3,931,000)	(3,649,000)
Foreign Currency Translation
Accumulated Other Comprehensive Income [Roll Forward]
Other comprehensive income (loss) due to foreign currency translation, net of tax	$ (138,000)	$ 410,000

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details