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Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Deferred income tax assets: |  |
Inventory basis difference | $ 2,241 | $ 1,051
Accounts receivable reserve | 529 | 394
Depreciation | 110 | 0
Stock based compensation | 968 | 1,284
Pension liability | 2,481 | 3,018
Employee benefit accrual | 2,038 | 1,448
Product liability and warranty reserves | 1,517 | 1,480
Expenses not currently deductible for tax purposes | 60 | 410
Foreign net operating loss | 2,726 | 1,379
State net operating loss | 49 | 10
Other | 194 | 0
Total deferred income tax assets | 12,913 | 10,474
Less: Valuation allowance | (1,651) | (1,064)
Net deferred income tax assets | 11,262 | 9,410
Deferred income tax liabilities: |  |
Inventory basis differences | (310) | 0
Depreciation | (4,624) | (2,786)
Intangible assets | (7,934) | (2,144)
Deferred revenue | 0 | 38
Expenses not currently deductible for tax purposes | (642) | (356)
Total deferred income tax liabilities | (13,510) | (5,248)
Net deferred income tax liabilities and assets | $ (2,248) |
Net deferred income tax liabilities and assets |  | $ 4,162

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