LONG-TERM DEBT AND COMMON STOCK WARRANT LIABILITY - Long-Term Debt (Details) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
Feb. 02, 2018 |
|---|---|---|---|
| Debt Instrument [Line Items] | |||
| Outstanding principal | $ 107,925 | $ 99,000 | |
| Unamortized discounts and debt issuance costs | (3,902) | (3,806) | |
| Long-term debt, net | 104,023 | 95,194 | |
| Current portion of long-term debt | (1,100) | (1,000) | |
| Long-term debt, net of current portion, unamortized discount and issuance costs | 102,923 | $ 94,194 | |
| Senior Secured Notes | |||
| Debt Instrument [Line Items] | |||
| Outstanding principal | $ 107,925 | ||
| Senior Secured Notes Due 2024 | Senior Secured Notes | |||
| Debt Instrument [Line Items] | |||
| Outstanding principal | $ 100,000 |
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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