Stock Option Plans, Shares Reserved and Warrants (Details 2)	Jun. 30, 2017 shares
Reserved shares of common stock for issuance upon exercise	16,604,363
2009 Equity Incentive Plan [Member]
Reserved shares of common stock for issuance upon exercise	6,399,649
Restricted Stock Units RSU [Member]
Reserved shares of common stock for issuance upon exercise	1,300,000
Warrants [Member]
Reserved shares of common stock for issuance upon exercise	8,904,714