Warrants - Summary of Warrant Activity (Details) - Warrant [Member]	12 Months Ended
	Dec. 31, 2018 $ / shares shares
Number of warrants outstanding and exercisable, beginning balance | shares	2,505,771
Number of warrants, issued for extension of notes payable | shares
Number of warrants, issued for extension of line-of-credit | shares
Number of warrants, exercised/forfeited | shares	(140,208)
Number of warrants outstanding and exercisable, ending balance | shares	2,365,563
Weighted Average Exercise Price Per Share, Outstanding and exercisable | $ / shares	$ 5.25
Weighted Average Exercise Price Per Share, issued for extension of notes payable | $ / shares
Weighted Average Exercise Price Per Share, issued for extension of line-of-credit | $ / shares
Weighted average exercise price per share, exercised/forfeited | $ / shares	(5.74)
Weighted Average Exercise Price Per Share, Outstanding and exercisable | $ / shares	$ 5.01