Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average options outstanding (in shares)	399,058	297,071
Number of warrants to purchase shares issued (in shares)	543,479
IPO
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of warrants to purchase shares issued (in shares)	856,250
Private Placement
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of warrants to purchase shares issued (in shares)	856,250
Warrants strike price (in dollars per share)	$ 1.35
Exercisable period of warrants	4 years
Stocks issued (in shares)	1,712,500
Proceeds from private placement, net	$ 1.3