CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jun. 27, 2020
Operating activities:
Net income	$ 3,377,000	$ 4,341,000	$ 4,758,000
Adjustments to reconcile net income to cash used in operating activities:
Depreciation and amortization	7,562,000	6,856,000	5,591,000
Amortization of interest rate swap	301,000	276,000	0
Amortization of deferred loan costs	143,000	95,000	30,000
Excess tax benefit from exercise of stock options	0	(43,000)	0
Inventory write-down to net realizable value	950,000	753,000	136,000
Provision for warranty	446,000	145,000	121,000
Provision for doubtful accounts	67,000	117,000	551,000
(Gain) loss on disposal of assets	(12,000)	0	207,000
Share-based compensation expense	293,000	192,000	266,000
Deferred income taxes	(481,000)	942,000	958,000
Changes in operating assets and liabilities
Trade receivables	(25,619,000)	(24,318,000)	(28,254,000)
Contract assets	2,807,000	(1,028,000)	(1,592,000)
Inventories	(19,362,000)	(23,062,000)	(14,725,000)
Other assets	(1,651,000)	2,317,000	(7,728,000)
Accounts payable	28,569,000	12,618,000	6,632,000
Accrued compensation and vacation	365,000	1,043,000	3,669,000
Other liabilities	(3,624,000)	5,588,000	292,000
Cash used in operating activities	(4,907,000)	(15,052,000)	(31,004,000)
Investing activities:
Purchases of property and equipment	(6,813,000)	(10,602,000)	(8,623,000)
Proceeds from sale of fixed assets	14,000	0	696,000
Repayments of Long-Term Capital Lease Obligations	(1,252,000)	0	0
Cash receipts from deferred purchase price of factored receivables	0	0	4,350,000
Cash used in investing activities	(8,051,000)	(10,602,000)	(3,577,000)
Financing activities:
Payment of financing costs	(118,000)	(617,000)	(84,000)
Proceeds from issuance of long term debt	11,594,000	11,000,000	5,000,000
Payments for Hedge, Financing Activities	0	(925,000)	0
Repayments of long term debt	(2,143,000)	(11,720,000)	(7,121,000)
Borrowings under revolving credit agreement	581,893,000	414,943,000	177,343,000
Repayments of Lines of Credit	(577,703,000)	(384,150,000)	(140,605,000)
Finance Lease, Principal Payments	(2,331,000)	0	0
Excess tax benefit from exercise of stock options	0	43,000	0
Cash provided by financing activities	11,192,000	28,574,000	34,533,000
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(1,766,000)	2,920,000	(48,000)
Cash and cash equivalents, beginning of period	3,473,000	553,000	601,000
Cash and cash equivalents, end of period	1,707,000	3,473,000	553,000
Supplemental cash flow information:
Interest payments	5,110,000	3,777,000	2,483,000
Income tax payments, net of refunds	1,315,000	2,014,000	683,000
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	5,247,000	3,103,000	0
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 13,096,000	$ 0	$ 0