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Income Taxes Components of deferred tax assets and liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Deferred tax assets: |  |
Net operating loss carryforward | $ 9,878 | $ 12,120
Compensation and benefits | 9,598 | 7,828
Inventory reserve | 1,769 | 1,689
Capital Loss Carryforward | 1,317 | 1,326
Accounts receivable reserve | 142 | 130
Other | 457 | 1,155
Total deferred tax assets | 23,161 | 24,248
Deferred Tax Liabilities, Intangible Assets | 2,478 | 3,115
Deferred tax liabilities: |  |
Property, plant and equipment | (20) | 41
Other | 303 | 403
Total deferred liabilities | 2,761 | 3,559
Net deferred assets before valuation allowance | 20,400 | 20,689
Valuation allowance | (2,569) | (2,556)
Net deferred assets | $ 17,831 | $ 18,133

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