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Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Cash flows from operating activities    
Net income (loss) $ (2,096) $ 16,542
Adjustments to reconcile net income (loss) to net cash used in operating activities:    
Depreciation expense 7,920 9,678
Amortization of intangible assets 18,074 18,487
Inventory write down 1,918 1,580
Stock-based compensation expense 3,345 3,537
Deferred income taxes (93) (1,870)
Noncash losses and other, net 4,702 5,480
Changes in operating assets and liabilities    
Accounts receivable—trade (4,779) (28,729)
Inventories (35,613) (37,160)
Prepaid expenses and other assets 413 1,408
Cost and estimated profit in excess of billings 6,819 (10,251)
Accounts payable, deferred revenue and other accrued liabilities (8,257) (2,022)
Billings in excess of costs and estimated profits earned 4,570 (8,812)
Net cash used in operating activities (3,077) (32,132)
Cash flows from investing activities    
Capital expenditures for property and equipment (5,497) (4,779)
Proceeds from sale of property and equipment 1,341 2,672
Payments related to business acquisitions and dispositions 0 (485)
Net cash used in investing activities (4,156) (2,592)
Cash flows from financing activities    
Borrowings on Credit Facility 351,635 423,945
Repayments on Credit Facility (351,635) (413,205)
Payment of capital lease obligations (910) (746)
Repurchases of stock (5,996) (826)
Net cash provided by (used in) financing activities (6,906) 9,168
Effect of exchange rate changes on cash 261 (1,524)
Net decrease in cash, cash equivalents and restricted cash (13,878) (27,080)
Cash, cash equivalents and restricted cash at beginning of period 51,029 46,858
Cash, cash equivalents and restricted cash at end of period 37,151 19,778
Noncash activities    
Operating lease right of use assets obtained in exchange for lease obligations 5,194 3,248
Finance lease right of use assets obtained in exchange for lease obligations 1,521 458
Conversion of debt to common stock $ 113,650 $ 0