DEBT - Schedule of Future Minimum Payments Under Term Loan Facility (Details) $ in Thousands	Sep. 30, 2020 USD ($)
Debt Disclosure [Abstract]
Remainder of 2020	$ 388
2021	2,281
2022	4,184
2023	13,705
2024	13,098
Total	33,656
Less: amount representing interest	(7,019)
Less: unamortized debt discounts and issuance costs	(1,115)
Less: end of term charge	(1,637)
Noncurrent portion of debt	$ 23,885

Separate amount owed at the maturity of debt instrument

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Aggregate value of term loan, including accrued interest payable and end of term charge.

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Amount, after accumulated amortization, of debt discount.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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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.

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