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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Cash flows from operating activities:    
Net loss $ (4,145) $ (8,462)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization of property, plant and equipment and intangible assets 4,685 4,744
Amortization of other long-term assets 5 5
Provision for estimated credit losses 444 1,056
Stock-based compensation 186 559
Deferred income taxes (204) 1,348
Changes in liabilities for uncertain tax positions or unrecognized tax benefits (17) 90
Change in equity investment fair value 120 0
Impairment of assets 659 0
Payment-in-Kind debt leverage fee 112 0
Amortization of deferred loan fees 738 235
Lease obligations and non-cash lease expense, net (115) (109)
Foreign currency transaction (losses) gains 28 (99)
Changes in assets and liabilities associated with operations:    
(Increase) decrease in net receivables (19,088) 6,892
Decrease (increase) in inventories 1,530 (4,721)
Increase in prepaid expenses and other assets (877) (856)
Change in income tax receivable and payable, net 385 (1,885)
Increase in accounts payable 2,871 22,966
Decrease in customer prepayments (18,656) (28,215)
(Decrease) increase in accrued program costs (6,170) 837
Increase (decrease) in other payables and accrued expenses 2,067 (14,961)
Net cash used in operating activities (35,442) (20,576)
Cash flows from investing activities:    
Capital expenditures (971) (431)
Proceeds from disposal of property, plant and equipment 7 12
Intangible assets (9) (27)
Net cash used in investing activities (973) (446)
Cash flows from financing activities:    
Payments under line of credit agreement (140,000) (89,098)
Borrowings under line of credit agreement 26,000 109,265
Borrowings under term loans 225,000 0
Payment of deferred loan fees (16,234) (687)
Net receipt from the issuance of common stock under ESPP 263 332
Net payment from common stock purchased for tax withholding (19) (11)
Net cash provided by financing activities 95,010 19,801
Net increase (decrease) in cash 58,595 (1,221)
Effect of exchange rate changes on cash and cash equivalents (106) 512
Cash at beginning of period 12,425 12,514
Cash at end of period $ 70,914 $ 11,805