Stock-Based Incentive Plan (Details 2) (USD $)	3 Months Ended
	Sep. 30, 2013
Common stock
Additional disclosures of Stock Options and Incentive Warrants
Market price of common stock on the last trading date of the period (in dollars per share)	$ 11.26
Stock Options and Incentive Warrants
Number of Stock Options and Incentive Warrants
Stock Options and Incentive Warrants outstanding at the beginning of the period (in shares)	4,822,820
Stock Options and Incentive Warrants outstanding at the end of the period (in shares)	4,822,820
Vested or expected to vest at the end of the period (in shares)	4,822,820
Exercisable at the end of the period (in shares)	4,822,820
Weighted Average Exercise Price
Stock Options and Incentive Warrants outstanding at the beginning of the period (in dollars per share)	$ 1.99
Stock Options and Incentive Warrants outstanding at the end of the period (in dollars per share)	$ 1.99
Exercisable at the end of the period (in dollars per share)	$ 1.99
Vested or expected to vest at the end of the period (in dollars per share)	$ 1.99
Aggregate Intrinsic Value
Stock Options and Incentive Warrants outstanding at the end of the period	$ 44,708,877
Vested or expected to vest at the end of the period	44,708,877
Exercisable at the end of the period (in dollars)	$ 44,708,877
Weighted Average Remaining Contractual Term (in years)
Stock Options and Incentive Warrants outstanding at the end of the period	2 years 4 months 24 days
Vested or expected to vest at the end of the period	2 years 4 months 24 days
Exercisable at the end of the period	2 years 4 months 24 days