Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash Flows from Operating Activities
Net income	$ 1,527,000	$ 1,865,000
Non-cash items included in net income:
Depreciation and amortization	1,586,000	1,408,000
Deferred income taxes	(7,000)	(169,000)
Deferred compensation plan	56,000	62,000
Stock option expense	86,000	685,000
Issuance of common shares as compensation	47,000	48,000
(Gain) Loss on disposition of fixed assets	1,000	(25,000)
Loss on sale of subsidiary	565,000
Allowance for doubtful accounts	102,000	93,000
Inventory obsolescence reserve	146,000	419,000
Changes in certain assets and liabilities – excluding sale of subsidiary
Accounts receivable	(2,637,000)	(1,031,000)
Inventories	(875,000)	(1,433,000)
Refundable income taxes	1,028,000	1,164,000
Accounts payable	(187,000)	1,058,000
Accrued expenses and other	(820,000)	(1,417,000)
Customer prepayments	(458,000)	1,437,000
Net cash flows provided by (used in) operating activities	(183,000)	4,164,000
Cash Flows from Investing Activities
Purchases of property, plant and equipment	(970,000)	(1,230,000)
Proceeds from sale of subsidiary, net of cash sold	1,494,000
Proceeds from sale of fixed assets	950,000	25,000
Net cash flows provided by (used in) investing activities	1,474,000	(1,205,000)
Cash Flows from Financing Activities
Cash dividends paid	(1,447,000)	(1,443,000)
Exercise of stock options		25,000
Purchase of treasury shares	(110,000)	(130,000)
Net cash flows (used in) financing activities	(1,557,000)	(1,548,000)
Increase (decrease) in cash and cash equivalents	(266,000)	1,411,000
Cash and cash equivalents at beginning of period	9,013,000	7,949,000
Cash and cash equivalents at end of period	8,747,000	9,360,000
Building [Member]
Non-cash items included in net income:
(Gain) on disposition of building	$ (343,000)