CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jun. 29, 2019
Operating activities:
Net income (loss)	$ 4,341,000	$ 4,758,000	$ (7,982,000)
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities:
Goodwill and intangible assets impairment	0	0	12,448,000
Depreciation and amortization	6,856,000	5,591,000	7,298,000
Amortization of Deferred Charges	276,000	0	0
Amortization of deferred loan costs	95,000	30,000	30,000
Excess tax benefit from exercise of stock options	(43,000)	0	0
Provision for obsolete inventory	753,000	136,000	91,000
Provision for warranty	145,000	121,000	83,000
Provision for doubtful accounts	117,000	551,000	58,000
Loss on disposal of assets	0	207,000	3,000
Share-based compensation expense	192,000	266,000	436,000
Deferred income taxes	942,000	958,000	1,116,000
Changes in operating assets and liabilities
Trade receivables	(24,318,000)	(28,254,000)	3,344,000
Contract assets	(1,028,000)	(1,592,000)	(10,255,000)
Cash received from arbitration settlement	0	0	6,684,000
Inventories	(23,062,000)	(14,725,000)	(1,417,000)
Other assets	2,317,000	(7,728,000)	(4,490,000)
Accounts payable	12,618,000	6,632,000	(2,627,000)
Accrued compensation and vacation	1,043,000	3,669,000	(1,346,000)
Other liabilities	5,588,000	292,000	(323,000)
Cash provided by (used in) operating activities	(15,052,000)	(31,004,000)	919,000
Investing activities:
Purchases of property and equipment	(10,602,000)	(8,623,000)	(8,386,000)
Proceeds from sale of fixed assets	0	696,000	22,000
Cash receipts from deferred purchase price of factored receivables	0	4,350,000	6,455,000
Cash used in investing activities	(10,602,000)	(3,577,000)	(1,909,000)
Financing activities:
Payment of financing costs	(617,000)	(84,000)	(15,000)
Proceeds from issuance of long term debt	11,000,000	5,000,000	0
Payments for Hedge, Financing Activities	(925,000)	0	0
Repayments of long term debt	(11,720,000)	(7,121,000)	(5,871,000)
Borrowings under revolving credit agreement	414,943,000	177,343,000	181,688,000
Repayments of revolving credit agreement	(384,150,000)	(140,605,000)	(174,554,000)
Excess tax benefit from exercise of stock options	43,000	0	0
Cash provided by financing activities	28,574,000	34,533,000	1,248,000
Net increase (decrease) in cash and cash equivalents	2,920,000	(48,000)	258,000
Cash and cash equivalents, beginning of period	553,000	601,000	343,000
Cash and cash equivalents, end of period	3,473,000	553,000	601,000
Supplemental cash flow information:
Interest payments	3,777,000	2,483,000	2,773,000
Income tax payments, net of refunds	2,014,000	683,000	(511,000)
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 3,103,000	$ 0	$ 0