Loss per Common Share - Basic and Diluted (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Earnings Per Share [Abstract]
Net loss	$ (16,584,425)	$ (10,255,346)	$ (5,888,466)	$ (11,068,448)	$ (142,389,148)	$ (19,359,044)	$ (22,495,573)	$ (39,278,670)	$ (43,796,685)	$ (223,522,435)	$ (148,296,965)
Weighted Average Shares-Basic (in shares)									69,182,302	20,565,652	1,880,116
Dilutive effect of stock options and restricted stock units (in shares)									0	0	0
Weighted Average Shares - Diluted (in shares)									69,182,302	20,565,652	1,880,116
Basic loss per share (in dollars per share)	$ (0.24)	$ (0.15)	$ (0.08)	$ (0.17)	$ (2.96)	$ (0.65)	$ (9.98)	$ (20.77)	$ (0.63)	$ (10.87)	$ (78.88)
Diluted loss per share (in dollars per share)	$ (0.24)	$ (0.15)	$ (0.08)	$ (0.17)	$ (2.96)	$ (0.65)	$ (9.98)	$ (20.77)	$ (0.63)	$ (10.87)	$ (78.88)