CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Cash flows provided by (used in) operating activities:
Net income (loss)	$ 18,505,000	$ 4,248,000	$ (2,887,000)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	2,322,000	3,158,000	3,714,000
Share-based compensation	1,130,000	848,000	716,000
Non-cash accretion expense	0	4,000	93,000
Deferred income taxes, net	(13,954,000)	1,000	(70,000)
Other non-cash expenses	310,000	607,000	311,000
Gain on sale of intellectual property, net	0	(2,381,000)	0
Decrease (increase) in assets:
Accounts receivable	(674,000)	(1,976,000)	(708,000)
Inventories	(461,000)	593,000	(25,000)
Prepaid expenses and other current assets, net	902,000	(341,000)	(146,000)
Other long-term assets, net	(59,000)	236,000	499,000
Increase (decrease) in liabilities:
Accounts payable and accrued expenses, net	(78,000)	1,262,000	(1,649,000)
Deferred revenue	(1,466,000)	(1,331,000)	(1,283,000)
Long-term liabilities, net	291,000	(4,000)	(140,000)
Net cash provided by (used in) operating activities	6,768,000	4,924,000	(1,575,000)
Cash flows provided by (used in) investing activities:
Additions to property and equipment	(1,900,000)	(1,447,000)	(1,977,000)
Proceeds from sale of intellectual property	0	2,750,000	0
Proceeds from sale or maturity of short-term investments	0	0	7,634,000
Purchase of short-term investments	0	0	(2,226,000)
Net cash (used in) provided by investing activities	(1,900,000)	1,303,000	3,431,000
Cash flows provided by (used in) financing activities:
Dividends paid	(4,471,000)	(7,542,000)	0
Repurchase of shares to satisfy tax withholdings	(136,000)	0	0
Net cash used in financing activities	(4,607,000)	(7,542,000)	0
Effect of exchange rates on cash and cash equivalents	(114,000)	(371,000)	(57,000)
Increase in cash and cash equivalents	147,000	(1,686,000)	1,799,000
Cash and cash equivalents - beginning of year	27,927,000	29,613,000	27,814,000
Cash and cash equivalents - end of year	28,074,000	27,927,000	29,613,000
Cash paid during the period for:
Interest	25,000	27,000	28,000
Income taxes (net of refunds)	$ (90,000)	$ 880,000	$ 908,000