Income Taxes Effective Income tax Rate (Details)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
The effective income tax rate differs from the U.S. Federal statutory income tax rate
Federal statutory income tax rate	35.00%	35.00%	(34.00%)
State income taxes, net of federal benefit	1.76%	5.50%	0.24%
Tax return to provision true-up	(2.51%)	(1.01%)	(1.35%)
Permanent differences:
— interest on convertible debt	0.00%	0.00%	3.44%
— change in derivative liability	0.00%	16.14%	32.44%
— stock option compensation	0.78%	0.30%	0.21%
— domestic production activities deduction	(2.73%)	0.00%	0.00%
— credit for increasing research activities	(0.67%)	0.00%	0.00%
— other	0.08%	(0.44%)	0.12%
Decrease in valuation allowance	0.00%	(39.45%)	(0.91%)
Net income tax provision (benefit)	31.71%	16.04%	(0.18%)