Warrants - Summary of Warrant Activity (Details)	6 Months Ended
	Jun. 30, 2018 USD ($) $ / shares shares
Warrants
Number of warrants issued warrants outstanding at December 31, 2017 | shares	3,058,402
Number of warrants issued during the six months ended June 30, 2018 | shares	190,114
Number of Warrants Issued Warrants outstanding at June 30, 2018 | shares	3,248,516
Number of warrants issued aggregate intrinsic value of outstanding warrants at June 30, 2018 | $	$ 119,686
Number of warrants issued weighted average remaining contractual terms at June 30, 2018 (in years)	3 years 5 months 27 days
Weighted average exercise price warrants outstanding at December 31, 2017 | $ / shares	$ 5.29
Weighted Average Exercise Price Warrants issued during the six months ended June 30, 2018 | $ / shares	2.63
Weighted Average Exercise Price Warrants outstanding at June 30, 2018 | $ / shares	$ 5.14