Condensed Statement of Changes in Convertible Preferred Stock (Series A redeemable convertible preferred stock) - USD ($)		6 Months Ended	12 Months Ended
		Jun. 30, 2015	Dec. 31, 2014
Increase (decrease) in temporary equity
Balance	[1]	$ 7,304,914
Conversion of preferred stock into common stock upon initial public offering		7,651,288
Balance	[1]		$ 7,304,914
Series A redeemable convertible preferred stock
Increase (decrease) in temporary equity
Balance		$ 7,304,914
Balance (in shares)		3,015,902
Series A issuance			$ 6,658,241
Series A issuance (in shares)			3,015,902
Conversion of preferred stock into common stock upon initial public offering		$ (7,651,288)
Conversion of preferred stock into common stock upon initial public offering (in shares)		(3,015,902)
Deemed dividends on Series A		$ 263,060	$ 610,889
Accretion of issuance costs		$ 83,314	35,784
Balance			$ 7,304,914
Balance (in shares)			3,015,902

[1] The condensed balance sheet at December 31, 2014 is derived from the audited financial statements at that date included in the Company's prospectus filed with the Securities and Exchange Commission pursuant to Rule 424(b)(4) on May 14, 2015.