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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 |  |  |  |  |  |  |

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