Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities
Net income	$ 904,000	$ 977,000
Adjustments to reconcile net income to net cash provided by operating activities:
Decrease of uncollectible accounts receivable	(15,000)	(101,000)
Depreciation and amortization	2,325,000	2,275,000
Deferred income taxes	453,000
Non-cash compensation	148,000	135,000
Pension expense	37,000	7,000
Gain on disposal of assets	(27,000)	(22,000)
Changes in operating assets and liabilities:
Accounts receivable	(223,000)	2,737,000
Inventories, net	(4,332,000)	(1,725,000)
Other assets	(401,000)	110,000
Accounts payable and accrued liabilities	1,748,000	(1,934,000)
Income taxes	(200,000)	59,000
Accrued compensation and employee benefits	154,000	(451,000)
Net cash provided by operating activities	571,000	2,067,000
Cash flows from investing activities
Capital expenditures	(2,198,000)	(1,379,000)
Proceeds from the sale of property & equipment	207,000	31,000
Net cash used by investing activities	(1,991,000)	(1,348,000)
Cash flows from financing activities
Issuance of common stock		37,000
Repurchase of common stock	(60,000)	(596,000)
Net cash used by financing activities	(60,000)	(559,000)
Net (decrease) increase in cash and cash equivalents	(1,480,000)	160,000
Cash and cash equivalents at beginning of period	16,697,000	14,478,000
Cash and cash equivalents at end of period	15,217,000	14,638,000
Cash paid during the period for:
Interest	13,000	13,000
Taxes	305,000	255,000
Disclosure of non-cash activities:
Change in unrealized loss resulting from change in fair value of derivative instruments, net of tax	120,000	412,000
Fixed assets in accounts payable	$ 5,000