Stock-Based Compensation - Schedule of Stock Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Stock Options [Roll Forward]
Exercised (in shares)	(722)	(1,266)
Stock Options
Stock Options [Roll Forward]
Outstanding, Beginning Balance (in shares)	455,123	389,799
Granted (in shares)	(4,500)	131,455
Exercised (in shares)	(722)	(2,000)
Canceled (in shares)	(116,843)	(57,437)
Forfeited (in shares)	(46,350)	(6,694)
Outstanding, Ending Balance (in shares)	286,708	455,123	389,799
Weighted Average Exercise Price [Roll Forward]
Oustanding, Beginning Balance (dollars per share)	$ 90.22	$ 130.70
Granted (in dollars per share)	8.30	14.48
Exercised (in dollars per share)	14.00	38.40
Canceled (in dollars per share)	158.77	198.55
Forfeited (in dollars per share)	14.93	46.47
Outstanding, Ending Balance (dollars per share)	$ 77.51	$ 90.22	$ 130.70
Weighted Average Remaining Contractual Life (Years)	3 years 9 months 18 days	4 years 4 months 24 days	4 years 9 months 18 days