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Liquidity and Capital Resources (Details) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Oct. 12, 2015 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Debt Instrument [Line Items] |  |  |  |  |
Cash and cash equivalents |  | $ 28,486,000 | $ 46,582,000 | $ 44,078,000 | $ 6,754,000
Total current assets |  | 96,310,000 | 85,677,000 |  |
Total current liabilities |  | 26,777,000 | 18,404,000 |  |
Net working capital |  | 69,533,000 |  |  |
Net cash flows from operating activities |  | $ 18,807,000 | $ 16,802,000 | $ (284,000) |
Credit Agreement | Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt term | 3 years |  |  |  |
Senior secured revolving credit facility | $ 50,000,000 |  |  |  |

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