Condensed Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating activities
Net loss	$ (10,327,878)	$ (1,219,767)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	792,481	13,881
Non-cash interest	54,076	17,446
Change in fair value of warrant liability		82,000
Deferred rent expense	7,884
Changes in operating assets and liabilities:
Prepaid expenses	(349,915)
Accounts payable and accrued expenses	843,153	(44,562)
Net cash used in operating activities	(8,980,199)	(1,151,002)
Financing activities
Proceeds from bank line of credit and loan advances		2,000,000
Payments on bank line of credit	(3,000,000)
Costs paid in connection with loan origination	(82,685)
Proceeds from issuance of common stock	42,875	25,200,000
Costs paid in connection with initial public offering		(2,426,958)
Net cash provided by (used in) financing activities	(3,039,810)	24,773,042
Net increase (decrease) in cash and cash equivalents	(12,020,009)	23,622,040
Cash and cash equivalents at beginning of the period	24,196,691	116,013
Cash and cash equivalents at end of the period	12,176,682	23,738,053
Supplemental disclosures of cash flow information
Interest paid	$ 58,790	$ 94,750
Supplemental disclosures of non-cash financing information
Issuance of Series A Convertible Preferred Stock warrants		49,000