Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash Flows from Operating Activities
Net (loss) income	$ (16,877,000)	$ 2,304,000
Non-cash items included in net income
Depreciation and amortization	7,640,000	5,689,000
Deferred income taxes	(5,650,000)	(947,000)
Impairment of goodwill and intangible asset	28,000,000	479,000
Fixed asset impairment and accelerated depreciation		354,000
Deferred compensation plan	(541,000)	196,000
Stock compensation expense	1,754,000	2,292,000
Issuance of common shares as compensation	234,000	331,000
(Gain) loss on disposition of fixed assets	(28,000)	52,000
(Gain) on the sale of the building		(1,361,000)
Allowance for doubtful accounts	144,000	248,000
Inventory obsolescence reserve	1,762,000	981,000
Changes in certain assets and liabilities:
Accounts receivable	(793,000)	5,189,000
Inventories	(3,441,000)	3,190,000
Refundable income taxes	435,000	(143,000)
Accounts payable	(3,077,000)	(965,000)
Accrued expenses and other	(3,243,000)	(5,119,000)
Customer prepayments	575,000	174,000
Net cash flows provided by operating activities	6,894,000	12,944,000
Cash Flows from Investing Activities
Purchases of property, plant and equipment	(2,178,000)	(3,534,000)
Acquisition of business, net of cash received and warrants issued		(95,077,000)
Proceeds from sale of fixed assets	1,526,000	3,081,000
Net cash flows used in investing activities	(652,000)	(95,530,000)
Cash Flows from Financing Activities
Payments of long-term debt	(77,817,000)	(14,882,000)
Borrowings of long-term debt	73,408,000	69,649,000
Cash dividends paid	(3,845,000)	(3,772,000)
Exercise of stock options	285,875	2,612,578
Purchase of treasury shares	(107,000)	(446,000)
Issuance of treasury shares	873,000	176,000
Net cash flows provided by (used in) financing activities	(7,226,000)	53,126,000
Decrease in cash and cash equivalents	(984,000)	(29,460,000)
Cash and cash equivalents at beginning of period	3,039,000	33,835,000
Cash and cash equivalents at end of period	$ 2,055,000	$ 4,375,000