Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Cash Flows from Operating Activities
Net Income	$ 6,849	$ 5,231
Adjustments to Reconcile Net Income to Net Cash Used in Operating Activities:
Depreciation and amortization	8,353	7,989
Non-cash operating lease cost	2,071	1,967
Inventory write down and property and equipment impairment due to restructuring	0	428
Stock-based compensation expense	4,258	3,081
Deferred income taxes	(1,013)	(1,055)
Provision for credit losses	65	316
Recognition of insurance recoveries	0	(3,886)
Other	218	221
Changes in Assets and Liabilities:
Accounts receivable	128	7,868
Contract assets	(19,370)	(3,026)
Inventories	(9,758)	(22,788)
Production cost of contracts	(273)	(299)
Other assets	4,343	352
Accounts payable	12,257	9,117
Contract liabilities	4,298	(7,386)
Operating lease liabilities	(2,059)	(1,866)
Accrued and other liabilities	(12,015)	(15,192)
Net Cash Used in Operating Activities	(1,648)	(18,928)
Cash Flows from Investing Activities
Purchases of property and equipment	(4,974)	(5,362)
Net Cash Used in Investing Activities	(4,974)	(5,362)
Cash Flows from Financing Activities
Borrowings from senior secured revolving credit facility	10,000	7,500
Repayments of senior secured revolving credit facility	(10,000)	(7,500)
Repayments of term loans	(1,563)	(1,562)
Repayments of other debt	(84)	(86)
Net cash paid upon issuance of common stock under stock plans	(2,528)	(3,193)
Net Cash Used in Financing Activities	(4,175)	(4,841)
Net Decrease in Cash and Cash Equivalents	(10,797)	(29,131)
Cash and Cash Equivalents at Beginning of Period	42,863	46,246
Cash and Cash Equivalents at End of Period	$ 32,066	$ 17,115