Loss Per Share - Additional Information (Detail) - shares	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Convertible Debt [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Antidilutive securities outstanding	(3,600,000)
Options [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Antidilutive securities outstanding	(5,577,000)	(3,813,000)
Restricted Stock Units [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Antidilutive securities outstanding	(883,000)	(910,000)
Warrants [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Antidilutive securities outstanding	(34,769,000)	(27,676,000)
Series D Preferred Stock [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Antidilutive securities outstanding	(6,125,000)	(6,125,000)
Series B Preferred Stock [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Antidilutive securities outstanding	(250,000)	(250,000)