Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash Flows from Operating Activities
Net income	$ 1,865,000	$ 1,830,000
Non-cash items included in net income:
Depreciation and amortization	1,408,000	1,850,000
Deferred income taxes	(169,000)	(116,000)
Deferred compensation plan	62,000	52,000
Stock option expense	685,000	518,000
Issuance of common shares as compensation	48,000	12,000
(Gain) on disposition of fixed assets	(25,000)	(12,000)
Allowance for doubtful accounts	93,000	185,000
Inventory obsolescence reserve	419,000	245,000
Changes in certain assets and liabilities
Accounts receivable	(1,031,000)	(690,000)
Inventories	(1,433,000)	(3,232,000)
Refundable income taxes	1,164,000	122,000
Accounts payable	1,058,000	1,864,000
Accrued expenses and other	(1,417,000)	829,000
Customer prepayments	1,437,000	18,000
Net cash flows provided by operating activities	4,164,000	3,475,000
Cash Flows from Investing Activities
Purchases of property, plant and equipment	(1,230,000)	(1,336,000)
Proceeds from sale of fixed assets	25,000	31,000
Net cash flows (used in) investing activities	(1,205,000)	(1,305,000)
Cash Flows from Financing Activities
Cash dividends paid	(1,443,000)	(1,441,000)
Exercise of stock options	25,000	8,000
Purchase of treasury shares	(130,000)	(121,000)
Net cash flows (used in) financing activities	(1,548,000)	(1,554,000)
Increase in cash and cash equivalents	1,411,000	616,000
Cash and cash equivalents at beginning of period	7,949,000	15,255,000
Cash and cash equivalents at end of period	$ 9,360,000	$ 15,871,000