Stockholders Deficit - Additional Information (Details) - USD ($)			1 Months Ended	6 Months Ended
	Jun. 30, 2017	Apr. 30, 2017	Jan. 31, 2017	Jun. 30, 2017	Aug. 04, 2017	Dec. 31, 2016
Class Of Stock [Line Items]
Issuance of common stock from the ATM Offering, Shares				3,184,972
Gross proceeds from issuance of common stock				$ 15,400,000
Other offering expenses paid and payable				200,000
Net proceeds from issuance of common stock				$ 14,700,000
Employee Stock Option
Class Of Stock [Line Items]
Options to purchase common stock outstanding	1,436,978			1,436,978		1,161,705
Restricted Stock Units R S U
Class Of Stock [Line Items]
Unrecognized compensation expense	$ 173,737			$ 173,737
Compensation expense period expected to be recognized				7 months 6 days
Number of shares unvested and outstanding	208,999			208,999	208,999	355,499
Number of shares vested and unissued				10,000
Number of shares unvested				198,999
Two Thousand Fourteen Equity Incentive Plan
Class Of Stock [Line Items]
Number of shares available for issuance	89,968			89,968
Options to purchase common stock outstanding	1,436,978			1,436,978
Options fully vested				714,443
Two Thousand Fourteen Equity Incentive Plan | Employee Stock Option
Class Of Stock [Line Items]
Unrecognized compensation expense	$ 1,010,315			$ 1,010,315
Compensation expense period expected to be recognized				1 year 11 months 5 days
Board Of Directors
Class Of Stock [Line Items]
Retirement of treasury stock, shares			1,396
Sales Agreement
Class Of Stock [Line Items]
Common stock selling price per share		$ 0.001
Common stock aggregate offering price	$ 40,000,000	$ 20,000,000