CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Operating activities:
Net income	$ 1,419,000	$ 2,119,000
Adjustments to reconcile net income to cash used in operating activities:
Depreciation and amortization	5,498,000	4,658,000
Amortization of interest rate swap	97,000	211,000
Amortization of deferred loan costs	137,000	51,000
Noncash lease expense	2,928,000	3,128,000
Inventory write-down to net realizable value	2,000	355,000
Provision for warranty	138,000	266,000
Provision for doubtful accounts	49,000	22,000
Gain on disposal of assets	(36,000)	(123,000)
Gain on insurance proceeds, net of losses	(431,000)	(3,644,000)
Share-based compensation expense	111,000	102,000
Deferred income taxes	(1,213,000)	(120,000)
Changes in operating assets and liabilities:
Trade receivables	15,708,000	1,564,000
Contract assets	2,155,000	(6,355,000)
Inventories	13,806,000	(16,362,000)
Other assets	417,000	(650,000)
Accounts payable	(24,541,000)	19,310,000
Accrued compensation and vacation	(7,675,000)	(4,023,000)
Other liabilities	511,000	(10,540,000)
Cash provided by (used in) operating activities	9,080,000	(10,031,000)
Investing activities:
Purchase of property and equipment	(2,609,000)	(3,859,000)
Proceeds from insurance	2,249,000	3,500,000
Cash used in investing activities	(360,000)	(359,000)
Financing activities:
Payment of financing costs	(625,000)	0
Proceeds from issuance of long term debt	1,161,000	0
Repayments of long term debt	(1,457,000)	(1,089,000)
Borrowings under revolving credit agreement	272,755,000	289,330,000
Repayments of revolving credit agreement	(278,643,000)	(276,778,000)
Principal payments on finance leases	(2,561,000)	(1,970,000)
Cash (used in) provided by financing activities	(9,370,000)	9,493,000
Net decrease in cash and cash equivalents	(650,000)	(897,000)
Cash and cash equivalents, beginning of period	3,603,000	1,707,000
Cash and cash equivalents, end of period	2,953,000	810,000
Supplemental cash flow information:
Interest payments	6,015,000	3,712,000
Income tax payments, net of refunds	1,602,000	776,000
Recognition of operating lease liabilities and right-of-use assets	3,575,000	5,049,000
Recognition of financing lease liabilities and right-of-use assets	$ 0	$ 0