CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Balance at Jun. 30, 2011	$ 189,429	$ 156	$ 276,484	$ (86,862)	$ (349)
Balance (in shares) at Jun. 30, 2011		19,474,066
Increase (Decrease) in Shareholders' Equity
Net loss	(149,313)			(149,313)
Reclassification of other than temporary impairments of securities included in net income	472				472
Unrealized gain (loss) on available-for-sale securities	(123)				(123)
Common stock issued for:
Exercise of options	670	1	669
Exercise of options (in shares)	100,625	100,625
Cash	28,162	10	28,152
Cash (in shares)		1,250,000
Exercise of warrants (in shares)		42,525
Amortization of fair value of stock options	6,770		6,770
Balance at Jun. 30, 2012	76,067	167	312,075	(236,175)
Balance (in shares) at Jun. 30, 2012		20,867,216
Increase (Decrease) in Shareholders' Equity
Net loss	(18,461)			(18,461)
Unrealized gain (loss) on available-for-sale securities	(94)				(94)
Common stock issued for:
Severance	365	1	364
Severance (in shares)		84,375
Exercise of options	372	1	371
Exercise of options (in shares)	95,000	95,000
Amortization of fair value of stock options	3,425		3,425
Balance at Jun. 30, 2013	61,674	169	316,235	(254,636)	(94)
Balance (in shares) at Jun. 30, 2013		21,046,591
Increase (Decrease) in Shareholders' Equity
Net loss	(17,117)			(17,117)
Unrealized gain (loss) on available-for-sale securities	25				25
Reclassification adjustment for realized losses included in net loss	69				69
Common stock issued for:
Exercise of options (in shares)	0
Amortization of fair value of stock options	525		525
Balance at Jun. 30, 2014	$ 45,176	$ 169	$ 316,760	$ (271,753)
Balance (in shares) at Jun. 30, 2014		21,046,591