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Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Deferred income tax assets: |  |
Inventory basis difference | $ 4,351 | $ 1,825
Accounts receivable reserve | 384 | 251
Rental equipment and Property, plant and equipment | 73 | 56
Stock based compensation | 391 | 672
Pension liability | 2,874 | 3,204
Employee benefit accrual | 1,669 | 1,911
Product liability and warranty reserves | 2,526 | 1,294
Foreign net operating loss | 4,485 | 4,164
Lease liability | 3,046 | 0
State net operating loss | 148 | 148
Other | 190 | (156)
Total deferred income tax assets | 20,137 | 13,369
Less: Valuation allowance | (4,156) | (3,696)
Net deferred income tax assets | 15,981 | 9,673
Deferred income tax liabilities: |  |
Inventory basis differences | (122) | 0
Rental equipment and Property, plant and equipment | (17,327) | (9,928)
Lease asset | (3,022) | 0
Intangible assets | (18,897) | (8,944)
Expenses not currently deductible for tax purposes | (1,996) | (749)
Total deferred income tax liabilities | (41,364) | (19,621)
Net deferred income taxes | $ (25,383) | $ (9,948)

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