Share-Based Compensation (Details) (USD $)	12 Months Ended				12 Months Ended								12 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2012 Stock Appreciation Rights (SARs) [Member]	Jun. 30, 2013 Restricted Stock [Member]	Jun. 30, 2012 Restricted Stock [Member]	Jun. 30, 2013 Employee Stock Option [Member]	Jun. 30, 2012 Employee Stock Option [Member]	Jun. 30, 2011 Employee Stock Option [Member]	Jun. 30, 2013 2007 Long-Term Incentive Plan	Nov. 21, 2006 2007 Long-Term Incentive Plan	Jun. 30, 2013 2010 Long-Term Incentive Plan	Nov. 19, 2010 2010 Long-Term Incentive Plan	Jun. 30, 2013 2010 Long-Term Incentive Plan Restricted Stock [Member]	Jun. 30, 2011 Short Term Liability Related To Warrants [Member]	Jun. 30, 2011 Long Term Liability Related To Warrants [Member]	Jun. 30, 2013 Minimum [Member] Employee Stock Option [Member]	Jun. 30, 2012 Minimum [Member] Employee Stock Option [Member]	Jun. 30, 2011 Minimum [Member] Employee Stock Option [Member]	Jun. 30, 2013 Minimum [Member] 2007 Long-Term Incentive Plan	Jun. 30, 2013 Minimum [Member] 2010 Long-Term Incentive Plan	Jun. 30, 2011 Minimum [Member] Short Term Liability Related To Warrants [Member]	Jun. 30, 2011 Minimum [Member] Long Term Liability Related To Warrants [Member]	Jun. 30, 2013 Maximum [Member] Employee Stock Option [Member]	Jun. 30, 2012 Maximum [Member] Employee Stock Option [Member]	Jun. 30, 2011 Maximum [Member] Employee Stock Option [Member]	Jun. 30, 2013 Maximum [Member] 2007 Long-Term Incentive Plan	Jun. 30, 2013 Maximum [Member] 2010 Long-Term Incentive Plan	Jun. 30, 2011 Maximum [Member] Short Term Liability Related To Warrants [Member]	Jun. 30, 2011 Maximum [Member] Long Term Liability Related To Warrants [Member]
Equity Incentive Plans
Maximum common stock issued under Long-Term Incentive Plan												10,000,000		6,900,000
Right to purchase common stock, minimum price											$ 0.21		$ 0.63
Right to purchase common stock, maximum price											$ 1.50		$ 3.53
Vesting period of Long-Term Incentive Plan (in years)																					1 year	1 year						3 years	4 years
Contractual term of stock options granted (in years)											10 years		10 years
Company's common stock purchased in aggregate (shares)	7,010,000	10,945,000	10,498,000	8,536,000							3,950,976		3,058,976
Shares available for issuance under the plan											27,269		370,000
Stock-Based Compensation
stock based compensation	$ 2,169,000	$ 1,323,000	$ 766,000
Employee related stock based compensation	2,200,000	1,200,000	700,000
Non-employee related stock based compensation	0	100,000	100,000
Stock appreciation rights granted (in shares)					50,000	2,808,000	164,000
Unrecognized compensation cost															7,400,000
Period for recognition of unrecognized compensation cost															3 years 0 months 7 days
Warrants
Warrants issued in conjunction with the private placement of common stock as derivative liability																8,360,000	15,168,052
Estimated fair value of short-term derivative liabilities																7,400,000
Risk free rate								0.82%								1.33%			0.59%	1.33%						1.41%	2.64%
Dividend yield assumption								0.00%	0.00%	0.00%						0.00%								0.00%
Expected life (years)																		5 years	3 years	3 years			8 months 19 days	3 years 5 months 4 days	6 years 0 months 29 days	6 years 7 months 24 days	6 years 7 months 24 days			9 months 10 days	5 years 8 months 4 days
Estimated fair value of long-term derivative liabilities																	$ 19,900,000
Risk free interest rate, Minimum																								0.81%
Risk free interest rate, Maximum																								2.13%
Expected volatility rate, minimum									119.00%	125.00%						106.00%	137.00%
Expected volatility rate, maximum									137.00%	129.00%							138.00%