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Income Taxes - Temporary Differences in Financial Statement Carrying Amounts and Tax Bases of Assets and Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax asset |  |
Inventories | $ 9,322 | $ 2,764
Program accrual | 10,486 | 9,742
Vacation pay accrual | 682 | 864
Accrued bonuses | 882 | 37
Bad debt expense | 2,550 | 2,143
Stock compensation | 1,047 | 1,536
Domestic NOL carryforward | 4,604 | 543
Foreign NOL carryforward | 6,297 | 6,322
Tax credits | 1,794 | 1,582
Lease liability | 5,078 | 5,812
Accrued expenses | 678 | 696
Unrealized foreign exchange loss | 2,521 | (1,182)
Capitalized R&D costs | 7,587 | 7,140
Other | 2,970 | 0
Deferred tax assets | 56,498 | 37,999
Less valuation allowance | (33,855) | (3,317)
Deferred tax assets, net | 22,643 | 34,682
Deferred tax liabilities |  |
Plant and equipment | (22,686) | (32,336)
Lease assets | (4,895) | (5,617)
Prepaid expenses | (1,809) | (1,406)
Other | 0 | (366)
Deferred tax liabilities | (29,390) | (39,725)
Total net deferred tax assets (liabilities) | $ (6,747) | $ (5,043)

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