Net loss per share (Details)	Sep. 30, 2014	Jun. 30, 2014
Shares Potentially Issuable
Series E Convertible Preferred Stock		0
Series F Convertible Preferred Stock	180,000	180,000
Series G Convertible Preferred Stock	0
Series H Convertible Preferred Stock	1	1
Series I Convertible Preferred Stock	3,062,645	1,194,412
Convertible notes payable	73,322,091	36,212,654
Stock options	186,760	186,760
Restricted stock award	10,000	10,000
Warrants	10,250	10,250
Total	76,771,747	37,794,078