Antidilutive Securities (Detail)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Anti-dilutive securities not included in diluted loss per share:
Total anti-dilutive securities not included in diluted net loss per share	6,097,094	1,885,722
Stock Option
Anti-dilutive securities not included in diluted loss per share:
Total anti-dilutive securities not included in diluted net loss per share	635,094	143,927
Series A and B warrants
Anti-dilutive securities not included in diluted loss per share:
Total anti-dilutive securities not included in diluted net loss per share	5,062,000	937,295
Restricted Stock Unit
Anti-dilutive securities not included in diluted loss per share:
Total anti-dilutive securities not included in diluted net loss per share	400,000
Convertible Preferred Stock
Anti-dilutive securities not included in diluted loss per share:
Total anti-dilutive securities not included in diluted net loss per share		804,500