Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities
Net income	$ 3,346,000	$ 1,994,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for uncollectible accounts receivable	7,000	38,000
Depreciation and amortization	2,431,000	2,905,000
Non-cash equipment impairment charge	417,000	0
Deferred income taxes	(93,000)	199,000
Non-cash compensation	390,000	235,000
Pension expense	31,000	70,000
Gain on disposal of assets	(62,000)	(23,000)
Changes in operating assets and liabilities:
Accounts receivable	(3,067,000)	(268,000)
Inventories	276,000	(2,805,000)
Prepaids and other assets	(875,000)	(329,000)
Accounts payable and accrued liabilities	(520,000)	3,112,000
Income taxes	173,000	(212,000)
Accrued compensation and employee benefits	224,000	431,000
Net cash provided by operating activities	2,678,000	5,347,000
Cash flows from investing activities
Purchases of property and equipment	(1,708,000)	(2,679,000)
Proceeds from sale of property and equipment	90,000	207,000
Net cash used in investing activities	$ (1,618,000)	$ (2,472,000)
Cash flows from financing activities
Issuance of common stock
Repurchase of common stock	$ (2,021,000)	$ (60,000)
Net cash used in financing activities	(2,021,000)	(60,000)
Net (decrease) increase in cash and cash equivalents	(961,000)	2,815,000
Cash and cash equivalents at beginning of year	19,512,000	16,697,000
Cash and cash equivalents at end of year	18,551,000	19,512,000
Supplemental disclosures of cash flow information
Taxes	888,000	718,000
Interest	10,000	13,000
Disclosure of non-cash activities:
Change in minimum pension liability, net of tax	141,000	20,000
Change in unrealized gain resulting from change in fair value of derivative instruments, net of tax	156,000	19,000
Fixed assets in accounts payable	$ 14,000	$ 41,000