Credit Facility and Term Loans - Schedule of Credit Facility and Term Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Total MidCap Credit Facility	$ 12,190	$ 21,657
Less: deferred debt issuance costs	(700)	(700)
Less-current portion	(21,600)	(3,000)
Term loan-non current portion	36,483	10,467
Horizon Term Loan
Debt Instrument [Line Items]
Term loan		15,000
Less: deferred debt issuance costs		(836)
Less discount associated with issuance of warrants		(697)
Total term loan		13,467
Less-current portion		(3,000)
Term loan-non current portion		10,467
High Trails Term Loan
Debt Instrument [Line Items]
Term loan	43,000
Less: deferred debt issuance costs	(2,207)
Less discount associated with issuance of warrants	(9,839)
Less: discount associated with original issuance of loan	(4,692)
Total term loan	58,083
Less-current portion	(21,600)
Term loan-non current portion	36,483
High Trail warrant	31,821
MidCap Credit Facility
Debt Instrument [Line Items]
MidCap Credit Facility	12,905	22,953
Less: deferred debt issuance costs	(702)	(1,268)
Less: discount associated with issuance of warrants	(13)	(28)
Total MidCap Credit Facility	$ 12,190	$ 21,657

Discount associated with issuance of warrants.

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Discount associated with issuance of warrants current.

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Discount associated with original issuance of loan.

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Lines of credit gross current.

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Loans payable gross.

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Long term loans related to warrant.

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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.

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Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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Carrying value as of the balance sheet date of portion of long-term loans payable due within one year or the operating cycle if longer.

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Carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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