Term Loan (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands |
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12 Months Ended |
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Oct. 06, 2015 |
Mar. 04, 2015 |
Dec. 31, 2016 |
Apr. 08, 2016 |
Dec. 31, 2015 |
| Long-term debt |
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$ 26,449
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$ 24,859
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| Term Loan Agreement [Member] | CRG LP Additional Warrants [Member] |
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| Warrants to purchase common shares |
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35,000
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35,000
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| Warrants exercise price |
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$ 15.00
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$ 15.00
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| Black-Scholes Merton Model [Member] | Term Loan Agreement [Member] | CRG LP Additional Warrants [Member] |
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| Warrants term |
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5 years
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| Term Loan Agreement [Member] |
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| Minimum cash balance |
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$ 5,000
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| Term Loan Agreement [Member] | CRG LP [Member] |
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| Long-term debt |
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$ 35,000
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| Proceeds from issuance of long-term debt |
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$ 15,000
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| Debt instrument date |
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Dec. 31, 2021
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| Debt instrument interest rate percentage |
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13.00%
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| Warrants to purchase common shares |
35,000
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| Warrants exercise price |
$ 50.00
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| Warrants term |
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5 years
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| Term loan minimum annual revenue threshold |
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$ 27,000
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| Financing and legal fees to long-term debt |
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$ 606
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| Facility fee percentage on principal |
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6.50%
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| Percentage of prepayment fee |
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5.00%
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| Percentage of reduction in annual prepayment fee |
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1.00%
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| Term Loan Agreement [Member] | CRG LP [Member] | 2017 [Member] |
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| Term loan minimum annual revenue threshold |
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$ 31,000
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| Term Loan Agreement [Member] | CRG LP [Member] | 2018 [Member] |
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| Term loan minimum annual revenue threshold |
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36,000
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| Term Loan Agreement [Member] | CRG LP [Member] | 2019 [Member] |
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| Term loan minimum annual revenue threshold |
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45,000
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| Term Loan Agreement [Member] | CRG LP [Member] | 2020 [Member] |
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| Term loan minimum annual revenue threshold |
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$ 55,000
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| Term Loan Agreement [Member] | CRG LP [Member] | Interest-Only Payment [Member] |
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| Debt instrument interest rate percentage |
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8.50%
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| Term Loan Agreement [Member] | CRG LP [Member] | Unpaid Interest With Principal [Member] |
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| Debt instrument interest rate percentage |
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4.50%
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| Term Loan Agreement [Member] | CRG LP [Member] | Second Tranche [Member] |
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| Proceeds from issuance of long-term debt |
$ 10,000
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