Stockholder's Equity - Summary of Warrant Activity (Details)	3 Months Ended
	Mar. 31, 2019 USD ($) $ / shares shares
Equity [Abstract]
Warrants Outstanding, Beginning Balance | shares	1,083,435
Warrants Outstanding, Granted | shares	146,262
Warrants Outstanding, Exercised | shares
Warrants Outstanding, Forfeited and Cancelled | shares
Warrants Outstanding, Ending Balance | shares	1,229,697
Warrants Outstanding Weighted Average Remaining Life, Beginning Balance	1 year 15 days
Warrants Outstanding Weighted Average Remaining Life, Granted	2 years 9 months
Warrants Outstanding Weighted Average Remaining Life, Ending Balance	1 year 3 months 8 days
Warrants Outstanding Weighted Average Exercise Price, Beginning Balance	$ 6.83
Warrants Outstanding Weighted Average Exercise Price, Granted	7.80
Warrants Outstanding Weighted Average Exercise Price, Exercised
Warrants Outstanding Weighted Average Exercise Price, Forfeited and Cancelled
Warrants Outstanding Weighted Average Exercise Price, Ending Balance	$ 6.95
Warrants Outstanding Aggregate Intrinsic Value, Beginning Balance | $
Warrants Outstanding Aggregate Intrinsic Value, Granted
Warrants Outstanding Aggregate Intrinsic Value, Ending Balance | $