v3.26.1
Restatement - Statement of Cash Flows (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2025
Sep. 27, 2025
Jun. 28, 2025
Mar. 29, 2025
Dec. 31, 2024
Sep. 28, 2024
Jun. 29, 2024
Mar. 30, 2024
Jun. 28, 2025
Jun. 29, 2024
Sep. 27, 2025
Sep. 28, 2024
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Cash Flows from Operating Activities                              
Net income $ 9,318 $ (60,827) $ 12,754 $ 1,402 $ 6,585 $ 9,404 $ (676) $ 6,364 $ 14,156 $ 5,688 $ (46,671) $ 15,091 $ (37,353) $ 21,677 $ 15,928
Adjustments to Reconcile Net Income to Net Cash Provided by (Used in) Operating Activities:                              
Depreciation and amortization       8,584       8,353 16,857 16,598 25,195 25,129 33,657 33,438 32,571
Non-cash operating lease cost       2,194       2,071 4,402 4,164 6,631 6,329 8,328 8,513 8,215
Stock-based compensation expense       15,734       4,383 20,767 18,391 24,855 22,735 28,451 26,948 15,045
Deferred income taxes       (1,296)       (1,013) (1,654) (2,586) (15,547) (7,972) (11,634) (7,621) (9,832)
(Recovery of) provision for credit losses       (54)       65 10 357 10 675 (145) 624 1,417
Noncash loss on extinguishment of debt 581 0 0 0                 581 0 0
Gain on sale of property and other assets                 (1,746)   (1,746)   (1,746) 0 0
Litigation Settlement and Related Costs, Net                     97,667   4,085 0 0
Other       307       218 408 428 909 190 1,253 297 411
Changes in Assets and Liabilities:                              
Accounts receivable       (8,076)       128 (8,320) (2,250) (1,563) (3,713) (14,580) (5,648) 1,998
Contract assets       (9,988)       (19,130) (19,028) (32,628) (46,592) (43,748) (49,370) (22,789) 13,604
Inventories       (1,019)       (9,027) (1,596) (2,630) 2,271 13,428 14,202 2,211 (15,979)
Production cost of contracts       (16)       (273) 820 1,429 790 1,902 (923) 618 (2,825)
Other assets       2,913       4,343 (542) 2,889 (67) 3,999 (326) (1,512) (4,330)
Accounts payable       4,929       12,257 9,083 4,873 10,011 3,298 (551) 3,239 (18,420)
Contract liabilities       3,051       3,198 2,526 (3,458) 5 (16,617) 6,249 (19,047) 6,424
Operating lease liabilities       (1,918)       (2,059) (4,087) (4,060) (5,888) (6,300) (7,793) (8,270) (7,618)
Accrued and other liabilities       (15,976)       (11,526) (8,875) (5,391) (8,988) 1,330 (5,790) 1,502 (2,538)
Net Cash (Used in) Provided by Operating Activities       771       (1,648) 23,181 1,814 41,282 15,756 (33,405) 34,180 31,067
Cash Flows from Investing Activities                              
Purchases of property and equipment       (4,815)       (4,974) (9,082) (8,292) (11,172) (10,280) (15,238) (14,129) (19,522)
Proceeds from sale of property and other assets                 1,979   1,979   1,984 0 0
Proceeds from sale of assets                 100   138   130 223 404
Net Cash Used in Investing Activities       (4,815)       (4,974) (7,003) (8,292) (9,055) (10,280) (13,124) (13,906) (133,496)
Cash Flows from Financing Activities                              
Borrowings from senior secured revolving credit facility       15,000       10,000 25,000 20,000 25,000 20,000 145,000 20,000 176,500
Repayments of senior secured revolving credit facility       (15,000)       (10,000) (33,800) (20,000) (33,800) (25,000) (48,800) (35,000) (152,700)
Borrowings from term loans                 (3,125)   (6,250)   200,000 0 0
Repayments of term loans               (1,563)   (3,125)   (3,125) (234,375) (7,813) (6,250)
Repayments of other debt       (96)       (84) (193) (172) (279) (246) (368) (329) (336)
Payments of Debt Issuance Costs                         (3,554) 0 0
Net cash paid upon issuance of common stock under stock plans       (2,267)       (2,528) (4,082) (3,683) (3,119) (2,702) (3,224) (2,856) (3,275)
Net Cash Used in Financing Activities       (2,363)       (4,175) (16,200) (6,980) (18,448) (11,073) 54,679 (25,998) 99,046
Net Increase (Decrease) in Cash and Cash Equivalents       (6,407)       (10,797) (22) (13,458) 13,779 (5,597) 8,150 (5,724) (3,383)
Cash and Cash Equivalents at Beginning of Year 50,918 37,117 30,732 37,139 37,266 29,405 32,066 42,863 37,139 42,863 37,139 42,863 37,139 42,863 46,246
Cash and Cash Equivalents at End of Year 45,289 50,918 37,117 30,732 37,139 37,266 29,405 32,066 37,117 29,405 50,918 37,266 45,289 37,139 42,863
As Previously Reported                              
Cash Flows from Operating Activities                              
Net income 7,444 (64,446) 12,553 10,511 6,774 10,148 7,724 6,849 23,064 14,573 (41,382) 24,721 (33,938) 31,495  
Adjustments to Reconcile Net Income to Net Cash Provided by (Used in) Operating Activities:                              
Depreciation and amortization       8,584       8,353 16,857 16,598 25,195 25,129 33,657 33,438  
Non-cash operating lease cost       2,194       2,071 4,402 4,164 6,631 6,329 8,328 8,513  
Stock-based compensation expense       5,347       4,258 11,703 8,286 17,511 12,753 24,520 17,836  
Deferred income taxes       (1,296)       (1,013) (1,654) (2,586) (14,563) (7,972) (11,619) (7,454)  
(Recovery of) provision for credit losses       (54)       65 10 357 10 675 (145) 624  
Noncash loss on extinguishment of debt 581                       581    
Gain on sale of property and other assets                 (1,746)   (1,746)   (1,746)    
Litigation Settlement and Related Costs, Net                     97,667   4,085    
Other       307       218 408 428 909 190 1,253 297  
Changes in Assets and Liabilities:                              
Accounts receivable       (9,384)       128 (9,976) (2,250) (1,563) (3,713) (14,580) (5,648)  
Contract assets       (10,313)       (19,370) (20,462) (32,628) (47,818) (43,748) (49,261) (22,898)  
Inventories       (533)       (9,758) (415) (2,630) 4,064 13,428 14,093 2,320  
Production cost of contracts       (16)       (273) 820 1,429 790 1,902 (923) 618  
Other assets       3,622       4,343 (542) 3,669 (67) 4,129 (324) (1,507)  
Accounts payable       4,929       12,257 9,083 4,873 10,011 3,298 (551) 3,239  
Contract liabilities       3,051       4,298 2,526 (3,458) 5 (16,617) 6,249 (19,047)  
Operating lease liabilities       (1,918)       (2,059) (4,087) (4,060) (5,888) (6,300) (7,793) (8,270)  
Accrued and other liabilities       (14,260)       (12,015) (6,810) (4,951) (8,484) 1,552 (5,291) 624  
Net Cash (Used in) Provided by Operating Activities       771       (1,648) 23,181 1,814 41,282 15,756 (33,405) 34,180  
Cash Flows from Investing Activities                              
Purchases of property and equipment       (4,815)       (4,974) (9,082) (8,292) (11,172) (10,280) (15,238) (14,129)  
Proceeds from sale of property and other assets                 1,979   1,979   1,984    
Proceeds from sale of assets                 100   138   130 223  
Net Cash Used in Investing Activities       (4,815)       (4,974) (7,003) (8,292) (9,055) (10,280) (13,124) (13,906)  
Cash Flows from Financing Activities                              
Borrowings from senior secured revolving credit facility       15,000       10,000 25,000 20,000 25,000 20,000 145,000 20,000  
Repayments of senior secured revolving credit facility       (15,000)       (10,000) (33,800) (20,000) (33,800) (25,000) (48,800) (35,000)  
Borrowings from term loans                 (3,125)   (6,250)   200,000    
Repayments of term loans               (1,563)   (3,125)   (3,125) (234,375) (7,813)  
Repayments of other debt       (96)       (84) (193) (172) (279) (246) (368) (329)  
Payments of Debt Issuance Costs                         (3,554)    
Net cash paid upon issuance of common stock under stock plans       (2,267)       (2,528) (4,082) (3,683) (3,119) (2,702) (3,224) (2,856)  
Net Cash Used in Financing Activities       (2,363)       (4,175) (16,200) (6,980) (18,448) (11,073) 54,679 (25,998)  
Net Increase (Decrease) in Cash and Cash Equivalents       (6,407)       (10,797) (22) (13,458) 13,779 (5,597) 8,150 (5,724)  
Cash and Cash Equivalents at Beginning of Year 50,918 37,117 30,732 37,139 37,266 29,405 32,066 42,863 37,139 42,863 37,139 42,863 37,139 42,863  
Cash and Cash Equivalents at End of Year 45,289 50,918 37,117 30,732 37,139 37,266 29,405 32,066 37,117 29,405 50,918 37,266 45,289 37,139 $ 42,863
Adjustments (B)                              
Cash Flows from Operating Activities                              
Net income $ 1,874 $ 3,619 $ 201 (9,109) $ (189) $ (744) $ (8,400) (485) (8,908) (8,885) (5,289) (9,630) (3,415) (9,818)  
Adjustments to Reconcile Net Income to Net Cash Provided by (Used in) Operating Activities:                              
Stock-based compensation expense       10,387       125 9,064 10,105 7,344 9,982 3,931 9,112  
Deferred income taxes                     (984)   (15) (167)  
Changes in Assets and Liabilities:                              
Accounts receivable       1,308         1,656            
Contract assets       325       240 1,434   1,226   (109) 109  
Inventories       (486)       731 (1,181)   (1,793)   109 (109)  
Other assets       (709)           (780)   (130) (2) (5)  
Contract liabilities               (1,100)              
Accrued and other liabilities       (1,716)       489 (2,065) (440) $ (504) (222) (499) 878  
Total adjustments                              
Cash Flows from Operating Activities                              
Net income       10,400       100 9,000 10,600   10,400 3,800 9,500  
Adjustments to Reconcile Net Income to Net Cash Provided by (Used in) Operating Activities:                              
Stock-based compensation expense       100       $ (100) 100 500   500 (100) 400  
Changes in Assets and Liabilities:                              
Accrued and other liabilities       $ 100         $ 100 $ 100   $ 100 $ 100 $ 100