Stock-Based Compensation - Schedule of Share-based Compensation, Stock Options, Activity (Details) - $ / shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Shares Granted	100,000	0
Weighted Average Exercise Price, Granted	$ 2.24
Equity Option [Member]
Shares Outstanding, Beginning Balance	496,958	67,465
Shares Granted	100,000
Shares Cancelled or Expired	(395,000)	(131)
Shares Outstanding, Ending Balance	201,958	67,334
Shares Exercisable, Ending Balance	71,249	67,334
Weighted Average Exercise Price, Outstanding Beginning Balance	$ 9.90	$ 71.03
Weighted Average Exercise Price, Granted	2.24
Weighted Average Exercise Price, Cancelled or Expired	4.71	88.82
Weighted Average Exercise Price, Outstanding Ending Balance	10.62	74.70
Weighted Average Exercise Price, Exercisable Ending Balance	24.35	74.70
Weighted Average Fair Value at Grant Date, Outstanding Beginning Balance	6.62	36.85
Weighted Average Fair Value at Grant Date, Granted	1.95
Weighted Average Fair Value at Grant Date, Cancelled or Expired	3.69	55.76
Weighted Average Fair Value at Grant Date, Outstanding Ending Balance	6.74	36.74
Weighted Average Fair Value at Grant Date, Exercisable, Ending Balance	$ 14.09	$ 36.74