Stockholders' Equity (Details 2)	6 Months Ended
	Jun. 30, 2018 $ / shares shares
Warrant [Member]
Number of Warrants Outstanding at beginning | shares	878,146
Number of Warrants Outstanding at ending | shares	3,511,840
Weighted Average Exercise Price Outstanding at beginning | $ / shares	$ 9.84
Weighted Average Exercise Price Outstanding at ending | $ / shares	$ 2.83
Acquired H-1 Warrants [Member]
Number of Warrants Acquired | shares	304,466
Weighted Average Exercise Price Warrants Acquired | $ / shares	$ 4.84
Acquired H-3 Warrants [Member]
Number of Warrants Acquired | shares	84,004
Weighted Average Exercise Price Warrants Acquired | $ / shares	$ 5.52
Granted H-4 warrants [Member]
Number of Warrants Granted Acquired | shares	2,684,300	[1]
Weighted Average Exercise Price Warrants Granted Acquired | $ / shares	$ 2.60	[1]
Granted I warrants [Member]
Number of Warrants Granted Acquired | shares	439,070
Weighted Average Exercise Price Warrants Granted Acquired | $ / shares	$ 2.30
Retired Merger Warrants [Member]
Class Of Warrant Or Right Retired | shares	(878,146)
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights Retired | $ / shares	$ 9.84

[1] Excludes 1,342,150 H-4 warrants representing 150% coverage of H-4 warrants granted.