Debt - Agreement Terms (Details)
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12 Months Ended |
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Apr. 01, 2015
USD ($)
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Mar. 30, 2015
USD ($)
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Jun. 12, 2014
USD ($)
arrangement
tranche
$ / shares
shares
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Dec. 31, 2015
USD ($)
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Dec. 31, 2014
USD ($)
$ / shares
shares
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Dec. 31, 2013
USD ($)
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Feb. 12, 2015
USD ($)
$ / shares
shares
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Dec. 16, 2014
USD ($)
$ / shares
shares
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| Debt |
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| Number of debt arrangements | arrangement |
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2
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| Repayment of debt |
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$ 27,500,000
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$ 31,177,000
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$ 45,750,000
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| Amended New Loan and Security Agreement |
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| Debt |
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| Maximum borrowing capacity |
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$ 30,000,000
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$ 35,000,000
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| Percentage of accounts receivable used in calculation of amount available under the borrowing base |
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85.00%
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| Minimum percentage of the Company’s total cash and cash equivalents balance required to be maintained with lender |
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95.00%
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| Increase to borrowing capacity |
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5,000,000
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| Available borrowing capacity |
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$ 3,100,000
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| Amended New Loan and Security Agreement | Minimum |
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| Debt |
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| Minimum amount required to be maintained by the company at all times |
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$ 5,000,000
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$ 5,000,000
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| Amended New Loan and Security Agreement | Revolving Line of Credit |
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| Debt |
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| Effective interest rate |
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3.50%
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| Amended New Loan and Security Agreement | Revolving Line of Credit | Prime |
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| Debt |
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| Potential interest rate margin (as a percent) |
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1.00%
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| Amended Mezzanine Loan and Security Agreement |
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| Debt |
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| Debt instrument maximum borrowing capacity |
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$ 15,000,000
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| Number of tranches | tranche |
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2
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| Interest rate on outstanding amounts (as a percent) |
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11.50%
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| Number of shares of common stock that may be purchased based on lender warrants issued | shares |
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150,000
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| Exercise price of warrants (in usd per share) | $ / shares |
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$ 11.36
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| Minimum percentage of the Company’s total cash and cash equivalents balance required to be maintained with lender |
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95.00%
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| Repayment of debt |
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$ 15,000,000
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| Amended Mezzanine Loan and Security Agreement | Amended Term Loan - First Tranche |
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| Debt |
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| Total face amount of debt |
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$ 10,000,000
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| Number of shares of common stock that may be purchased based on lender warrants issued | shares |
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100,000
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| Exercise price of warrants (in usd per share) | $ / shares |
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$ 11.36
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| Amended Mezzanine Loan and Security Agreement | Amended Term Loan - Second Tranche |
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| Debt |
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| Total face amount of debt |
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$ 5,000,000
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| Number of shares of common stock that may be purchased based on lender warrants issued | shares |
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50,000
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| Exercise price of warrants (in usd per share) | $ / shares |
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$ 11.36
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| Amended Mezzanine Loan and Security Agreement | Amended Term Loan - 2015 Term Loan |
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| Debt |
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| Total face amount of debt |
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$ 5,000,000
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| Number of shares of common stock that may be purchased based on lender warrants issued | shares |
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50,000
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| Exercise price of warrants (in usd per share) | $ / shares |
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$ 15.18
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| Repayment of debt |
$ 5,000,000
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