Stock Based Compensation - Summary of Stock Options Outstanding (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Number of stock options outstanding, Beginning of period	326,424	13,413
Number of stock options outstanding, Granted		314,086
Number of stock options outstanding, Expired	(210,872)	(1,075)
Number of stock options outstanding, Canceled or forfeited	(4,724)
Number of stock options outstanding, End of period	110,828	326,424
Number of stock options outstanding, Exercisable	110,723	316,005
Weighted average exercise price, Beginning of period	$ 24.89	$ 302.16
Weighted average exercise price, Granted		14.21
Weighted average exercise price, Expired	19.13	356.93
Weighted average exercise price, Canceled or forfeited	438.89
Weighted average exercise price, End of period	18.24	24.89
Weighted average exercise price, Exercisable	$ 18.22	$ 25.16