Stock-Based Compensation - Summary of Stock Options Outstanding (Details) - $ / shares	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Number of Stock options outstanding at beginning of period	326,424	13,396
Number of stock options outstanding, Expired		(208)
Number of Stock options outstanding at end of period	326,424	13,188
Number of Stock options exercisable at end of period	326,111	11,035
Weighted average exercise price, Stock options outstanding at beginning of period	$ 24.90	$ 237.00
Weighted average exercise price, Expired		394.80
Weighted average exercise price, Stock options outstanding at end of period	$ 24.90	300.72
Weighted average exercise price, Stock options exercisable at end of period	$ 24.89	$ 351.00