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Derivative Financial Instruments (Warrant Liability) (Tables)

9 Months Ended

Mar. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of fair value inputs of derivative financial instruments

The change in fair value of the June 2012 Warrants was recorded in the consolidated statement of comprehensive income (loss) and was estimated during the quarter using the following assumptions under a Lattice option-pricing model:

		Exercise				Exercise				Exercise				Exercise
Inputs into Lattice model for warrants:		1/5/16				1/8/16				1/14/16				1/25/16				3/31/16
Equivalent volatility			82.23	%			81.02	%			79.81	%			78.01	%			75.85	%
Equivalent interest rate			0.91	%			0.83	%			0.78	%			0.73	%			0.62	%
Floor		$	1.1500			$	1.1500			$	1.1500			$	1.1500			$	1.1500
Greater of estimated stock price or floor		$	1.1500			$	1.1500			$	1.1500			$	1.1500			$	1.1500
Probability price < strike price			55.70	%			55.70	%			55.60	%			55.50	%			54.10	%
Fair value of call		$	1.9400			$	1.5500			$	1.8100			$	1.8900			$	0.7600
Probability of fundamental transaction occuring			5	%			5	%			5	%			5	%			5	%