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Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Deferred tax assets:    
Product liability $ 203 $ 294
Employee compensation and benefits 2,263 2,356
Allowances for doubtful accounts and discounts 3,761 2,750
Inventories 978 729
Stock-based compensation 3,064 2,292
Other 1,637 1,113
Total deferred tax assets 11,906 9,534
Deferred tax liabilities:    
Depreciation 5,631 6,256
Other 882 309
Total deferred tax liabilities 6,513 6,565
Net deferred tax assets $ 5,393 $ 2,969