Consolidated Statement of Stockholders' Deficit (Parenthetical)	9 Months Ended
	Sep. 30, 2015 USD ($) $ / shares shares
Statement of Stockholders' Equity [Abstract]
Issuance of Class A Common Stock (in dollars per share)	$ 0.65
Issuance of Class A Common Stock, issuance costs (in dollars) | $	$ 588,491
Issuance of Class A Common Stock (in dollars per share)	$ 0.65
Issuance of Class A Common Stock, issuance costs (in dollars) | $	$ 245,009
Issuance of warrants (in shares) | shares	4,197,500
Issuance of warrants (in shares) | shares	1,225,000
Issuance of Class A Common Stock pursuant to ESPP (in dollars per share)	$ 0.561