Commitments and Contingencies - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended		2 Months Ended	12 Months Ended			36 Months Ended
	Jun. 28, 2013	Sep. 30, 2015	Dec. 31, 2009	Jun. 30, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2013
Business Acquisition, Contingent Consideration [Line Items]
Net rent expense					$ 783	$ 341	$ 410
Payout percentage	2.50%
Change in estimate of contingent liabilities					0	$ 0	12
Adjustment to contingent consideration	$ 66
Total settlement amount				$ 330
Insurance reimbursement		$ 174
Selling, general, and administrative | Settled litigation
Business Acquisition, Contingent Consideration [Line Items]
Insurance reimbursement					174
Litigation expense					$ 156
Stone River Companies, LLC
Business Acquisition, Contingent Consideration [Line Items]
Payout percentage			2.50%
Payout period commencing January 1, 2010			42 months
Business combination, contingent consideration, liability			$ 500
Business combination, contingent consideration, stock trigger price, equal to or greater than (in dollars per share)								$ 2.00
Number of trading days that common stock must meet a particular market price								20 days
Payments for previous acquisition							$ 206
Stone River Companies, LLC | Principal
Business Acquisition, Contingent Consideration [Line Items]
Extinguishment of debt	500
Stone River Companies, LLC | Accrued interest
Business Acquisition, Contingent Consideration [Line Items]
Extinguishment of debt	92
Stone River Companies, LLC | Special fee
Business Acquisition, Contingent Consideration [Line Items]
Business combination, contingent consideration, liability			$ 500
Change in estimate of contingent liabilities	$ 500