Stock Options and Equity-Classified Warrants - Schedule of Warrants Activity and Related Information (Details) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Share-based Payment Arrangement [Abstract]
Number of Warrants, Outstanding at beginning of period	693,916	3,980,781
Number of Warrants, Granted
Number of Warrants, Exercised
Number of Warrants, Forfeited
Number of Warrants, Expired	(500,000)	(3,287,585)
Number of Warrants, Outstanding at end of period	193,916	693,916
Number of Warrants, Exercisable at end of period	193,916	693,916
Weighted average fair value of stock options granted
Weighted-Average Exercise Price Warrants, Outstanding at beginning of period	7.16	4.92
Weighted-Average Exercise Price Warrants, Granted
Weighted-Average Exercise Price Warrants, Exercised
Weighted-Average Exercise Price Warrants, Forfeited
Weighted-Average Exercise Price Warrants, Expired	6.60	3.65
Weighted-Average Exercise Price Warrants, Outstanding at end of period	8.60	7.16
Weighted-Average Exercise Price Warrants, Exercisable at end of period	$ 8.60	$ 7.16