Stockholders Equity (Deficit) - Additional Information (Details) - USD ($)	1 Months Ended						9 Months Ended
	Jun. 30, 2015	May. 31, 2015	May. 31, 2014	Mar. 31, 2014	Feb. 28, 2014	Jan. 31, 2014	Sep. 30, 2015	Sep. 30, 2014	May. 11, 2015	Dec. 31, 2014	Feb. 04, 2014
Class Of Stock [Line Items]
Amendment date of entity incorporation							May 11, 2015
Common stock, shares authorized							200,000,000			600,000,000	600,000,000
Common stock, par value							$ 0.001			$ 0.001
Common stock, shares issued							6,841,260			334,003
Common stock, voting rights							Each share of common stock is entitled to one vote. All shares of common stock rank equally as to voting and all other matters that the holders are entitled to vote on.
Common stock, conversion features							The shares of common stock have no preemptive or conversion rights, no redemption or sinking fund provisions, no liability for further call or assessment, and are not entitled to cumulative voting rights
Preferred stock, shares authorized							10,000,000			0
Preferred stock, par value							$ 0.001			$ 0.001
Vesting period of options							2 years 6 months
Options to purchase common stock outstanding							590,139
Options fully vested							371,563
Unrecognized compensation expense							$ 583,701
Compensation expense period expected to be recognized							2 years 6 months
2014 Equity Incentive Plan
Class Of Stock [Line Items]
Shares reserved for issuance									940,112
Number of shares available for issuance							923,031
Stock-based Compensation | 2011 Equity Incentive Plan
Class Of Stock [Line Items]
Percentage of increase on outstanding shares					20.00%
Number of Shares, Granted					0
Employee Stock Option | 2011 Equity Incentive Plan
Class Of Stock [Line Items]
Number of Shares, Granted			8,685	249,361		2,094		260,140
Shares reserved for issuance									14,006
Share based compensation arrangement by share based payment award, options, grants in period, weighted average grant date fair value			$ 2.15	$ 2.15		$ 2.15
Employee Stock Option | 2014 Equity Incentive Plan
Class Of Stock [Line Items]
Number of Shares, Granted	12,083	5,000					17,083
Options to purchase common stock outstanding							590,139			595,577
Share based compensation arrangement by share based payment award, options, grants in period, weighted average grant date fair value	$ 13.83	$ 14.64
Restricted Stock Units R S U
Class Of Stock [Line Items]
Unrecognized compensation expense							$ 149,875
Compensation expense period expected to be recognized							6 months
Share based compensation arrangement by share based payment award, options, grants in period, weighted average grant date fair value							$ 5.45
Restricted stock vesting right description							RSUs vest 100% on March 31, 2016.
Stock issued during period, shares, share based compensation, gross							27,500
Restricted Stock Units R S U | RSUs Vest
Class Of Stock [Line Items]
Share based compensation arrangement by share based payment award, award vesting rights, percentage							100.00%