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Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Deferred tax assets:    
Product liability $ 224 $ 285
Employee compensation and benefits 2,643 2,548
Allowances for doubtful accounts and discounts 418 445
Inventories 1,224 954
Stock-based compensation 1,538 3,353
Other 1,538 1,443
Total deferred tax assets 7,585 9,028
Deferred tax liabilities:    
Depreciation 6,235 6,638
Other 814 860
Total deferred tax liabilities 7,049 7,498
Net deferred tax assets $ 536 $ 1,530