CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating activities:
Net income	$ 9,298	$ 4,828
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	3,089	3,029
Provision for doubtful accounts	25	166
Non-cash stock compensation	1,467	1,129
Deferred income taxes	477	(40)
Earnings on equity investment in joint venture	(109)	(456)
Changes in assets and liabilities:
Trade accounts receivable	(6,126)	(5,894)
Other receivables	1,051	320
Inventory	5,607	6,546
Prepaid expenses and other current assets	(1,153)	(1,351)
Other assets	106	490
Accounts payable	(5,821)	(4,357)
Accrued expenses and other liabilities	(4,937)	(5,309)
Net cash provided by (used in) operating activities	2,974	(899)
Investing activities:
Purchases of investments	(16)	(1,083)
Sales of investments	1,006
Payments for intangible assets	(6,450)	(921)
Purchases of property and equipment, net	(312)	(225)
Net cash used in investing activities	(5,772)	(2,229)
Financing activities:
Payment of cash dividends		(1,741)
Proceeds from exercise of stock options	115	844
Excess tax benefit on stock option exercises and restricted stock	820	513
Payment of contingent consideration	(1,500)
Borrowings of bank loans	10,500	5,000
Repayment of bank loans	(10,549)	(2,196)
Net cash (used in) provided by financing activities	(614)	2,420
Effect of exchange rate changes on cash	222	(1,520)
Net decrease in cash	(3,190)	(2,228)
Cash and cash equivalents at beginning of period	34,020	42,897
Cash and cash equivalents at end of period	30,830	$ 40,669
Non-Cash Item
Dividends declared but unpaid	$ 1,745