Commitments and Contingencies - Additional Information (Details)		3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 16, 2015 USD ($)	Sep. 30, 2015 USD ($) Claims	Mar. 31, 2015 USD ($)	Sep. 30, 2015 USD ($) Claims shares	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)	Oct. 31, 2015 USD ($)	Dec. 31, 2011 USD ($)
Loss Contingencies [Line Items]
Number of reportable claims and legal proceedings | Claims		0		0
Guarantee of indebtedness						$ 4,000,000
Cash payment to company by related party		$ 1,500,000		$ 1,500,000
Debtor-in-Possession Financing, Interest Rate on Borrowings Outstanding		2.00%		2.00%
Number of common stock shares pledged | shares				15,625
Reduction to fair value of CSG contingent consideration liability				$ (726,000)	$ (9,519,000)
Contract-Related Contingencies
Loss Contingencies [Line Items]
Reduction to fair value of CSG contingent consideration liability			$ 0			$ 700,000
Subsequent Event
Loss Contingencies [Line Items]
Cash payment to company by related party							$ 1,500,000
Financial Guarantee
Loss Contingencies [Line Items]
Guarantee of indebtedness		$ 0		$ 0				$ 4,000,000
Guarantee liability cancelled and settled	$ 4,000,000