CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Operating activities:
Net income	$ 7,621	$ 1,628
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,460	1,683
Provision for doubtful accounts	140	70
Non-cash stock compensation	598	401
Deferred income taxes	(243)	158
Unrealized gain on trading securities		(111)
Earnings on equity investment in joint venture	(1,331)	(1,065)
Changes in assets and liabilities:
Investments-trading securities	475
Trade accounts receivable	4,965	20,316
Other receivables	1,423	230
Inventory	(3,328)	(10,349)
Prepaid expenses and other current assets	(120)	167
Other assets	607	(174)
Accounts payable	(4,847)	(5,733)
Accrued expenses and other liabilities	(4,336)	(4,523)
Net cash provided by operating activities	5,084	2,698
Investing activities:
Payment for net assets of business acquired, net of cash acquired		(58,711)
Purchases of investments	(76)
Payments received on notes receivable	269	500
Purchases of property and equipment, net	(545)	(1,819)
Payments for intangible assets	(609)	(749)
Net cash used in investing activities	(961)	(60,779)
Financing activities:
Proceeds from exercise of stock options	122	279
Excess tax benefit on stock option exercises and restricted stock	20	102
Repayment of bank loans	(3,149)
Borrowings of bank loans		50,000
Net cash (used in) provided by financing activities	(3,007)	50,381
Effect of exchange rate changes on cash	(1,538)	1,655
Net decrease in cash	(422)	(6,045)
Cash at beginning of period	28,664	30,850
Cash at end of period	$ 28,242	$ 24,805