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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Deferred income tax assets: |  |
Allowance for credit losses on trade receivables | $ 1,925 | $ 1,494
Accrued compensation expense | 9,968 | 11,063
Inventory differences | 5,712 | 4,887
Net operating loss carryforwards | 11,117 | 14,833
Stock-based compensation expense | 7,167 | 6,388
Operating lease assets | 12,801 | 13,431
Federal R&D tax credit | 634 | 5,003
UT R&D Credit | 4,679 | 4,126
IRC section 174 capitalized R&D | 15,012 |
Other | 8,827 | 9,939
Total deferred income tax assets | 77,842 | 71,164
Deferred income tax liabilities: |  |
Prepaid expenses | (1,568) | (1,047)
Property and equipment | (20,925) | (20,797)
Intangible assets | (38,547) | (42,888)
Foreign withholding tax | (1,571) | (5,575)
Operating lease liabilities | (11,527) | (11,938)
Other | (2,040) | (3,556)
Total deferred income tax liabilities | (76,178) | (85,801)
Valuation allowance | (13,527) | (10,786)
Net deferred income tax liabilities | (11,863) | (25,423)
Reported as: |  |
Deferred income tax assets | 6,599 | 6,080
Deferred income tax liabilities | (18,462) | (31,503)
Net deferred income tax liabilities | $ (11,863) | $ (25,423)

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