Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash Flows from Operating Activities
Net income	$ 3,750,000	$ 1,527,000
Non-cash items included in net income:
Depreciation and amortization	1,576,000	1,586,000
Deferred income taxes	(396,000)	(7,000)
Deferred compensation plan	175,000	56,000
Stock compensation expense	1,775,000	86,000
Issuance of common shares as compensation	49,000	47,000
Loss on disposition of fixed assets	1,000	1,000
Loss on sale of subsidiary		565,000
Allowance for doubtful accounts	94,000	102,000
Inventory obsolescence reserve	367,000	146,000
Changes in certain assets and liabilities – excluding sale of subsidiary
Accounts receivable	(2,853,000)	(2,637,000)
Inventories	(2,065,000)	(875,000)
Refundable income taxes	99,000	1,028,000
Accounts payable	224,000	(187,000)
Accrued expenses and other	(275,000)	(820,000)
Customer prepayments	431,000	(458,000)
Net cash flows provided by (used in) operating activities	2,952,000	(183,000)
Cash Flows from Investing Activities
Purchases of property, plant and equipment	(1,362,000)	(970,000)
Proceeds from sale of subsidiary, net of cash sold		1,494,000
Proceeds from sale of fixed assets		950,000
Net cash flows provided by (used in) investing activities	(1,362,000)	1,474,000
Cash Flows from Financing Activities
Cash dividends paid	(735,000)	(1,447,000)
Proceeds and tax benefits from exercises of stock options	1,335,000
Purchase of treasury shares	(228,000)	(110,000)
Issuance of treasury shares	14,000
Net cash flows provided by (used in) financing activities	386,000	(1,557,000)
Increase (decrease) in cash and cash equivalents	1,976,000	(266,000)
Cash and cash equivalents at beginning of period	26,409,000	9,013,000
Cash and cash equivalents at end of period	$ 28,385,000	8,747,000
Building [Member]
Non-cash items included in net income:
(Gain) on disposition of building		$ (343,000)