CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Operating activities:
Net income	$ 2,409,000	$ 4,166,000
Adjustments to reconcile net income to cash used in operating activities:
Depreciation and amortization	3,933,000	4,977,000
Amortization of interest rate swap	226,000	201,000
Amortization of deferred loan costs	106,000	64,000
Provision for obsolete inventory	520,000	458,000
Provision for warranty	285,000	65,000
Provision for doubtful accounts	54,000	91,000
Share-based compensation expense	218,000	132,000
Deferred income taxes	(1,040,000)	589,000
Changes in operating assets and liabilities:
Trade receivables	(27,565,000)	(26,882,000)
Contract assets	1,338,000	4,318,000
Inventories	(18,257,000)	(15,834,000)
Other assets	(1,550,000)	1,858,000
Accounts payable	32,350,000	2,928,000
Accrued compensation and vacation	(2,812,000)	(1,067,000)
Other liabilities	(1,851,000)	6,252,000
Cash used in operating activities	(11,636,000)	(17,684,000)
Investing activities:
Purchase of property and equipment	(4,076,000)	(9,655,000)
Proceeds from sale of fixed assets	2,000	0
Cash used in investing activities	(4,074,000)	(9,655,000)
Financing activities:
Payment of financing costs	(118,000)	(580,000)
Proceeds from issuance of long term debt	9,393,000	11,000,000
Interest rate swap termination fee	0	(925,000)
Repayments of long term debt	1,603,000	11,292,000
Borrowings under revolving credit agreement	441,681,000	288,892,000
Repayments of revolving credit agreement	432,833,000	259,028,000
Principal payments on finance leases	(2,561,000)	0
Cash provided by financing activities	13,959,000	28,067,000
Net (decrease) increase in cash and cash equivalents	(1,751,000)	728,000
Cash and cash equivalents, beginning of period	3,473,000	553,000
Cash and cash equivalents, end of period	1,722,000	1,281,000
Supplemental cash flow information:
Interest payments	3,647,000	2,512,000
Income tax payments, net of refunds	998,000	1,468,000
Recognition of operating lease liabilities and right-of-use assets	5,246	0
Recognition of financing lease liabilities and right-of-use assets	$ 8,757	$ 0