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Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Deferred tax assets:    
Inventories $ 1,858 $ 2,254
Employee compensation and benefits 2,306 2,105
Accrued liabilities and reserves 3,649 3,211
Property, plant and equipment 943 552
Tax loss carryforwards 12,307 7,536
Tax credit carryforwards 22,949 15,448
Right-of-use assets 4,199 4,768
Other 897 582
Gross deferred tax assets 49,108 36,456
Less: Valuation allowance (10,237) (8,586)
Deferred tax assets less valuation allowance 38,871 27,870
Deferred tax liabilities:    
Property, plant and equipment (2,400) (2,071)
Intangible assets (13,630) (14,846)
Outside basis difference in foreign subsidiary   (13,750)
Lease liability (4,076) (4,695)
Other (4,793) (375)
Gross deferred tax liabilities (24,899) (35,737)
Net deferred tax assets (liabilities) $ 13,972  
Net deferred tax liabilities   $ (7,867)