Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Amount of the fee that accompanies borrowing money under the debt instrument.

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Incremental percentage increase (decrease) in the stated rate on a debt instrument.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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- Definition

Expenses paid for obtaining loans which includes expenses such as application and origination fees.

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No definition available.

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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.

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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Debt Instrument, Early Termination Fee, Percentage of Principal

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Debt Instrument, Exit Fee, Percentage

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Debt Instrument, Principal Payment, Number of Monthly Installment Payments

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Payments For Debt End Term Fees

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Debt - Narrative (Details)			3 Months Ended		9 Months Ended
Debt - Narrative (Details)	Sep. 25, 2020 USD ($)	Mar. 02, 2020 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Oct. 01, 2022 installmentPayment	Apr. 01, 2021 USD ($)
Debt Instrument [Line Items]
Proceeds from long-term borrowing					$ 17,500,000	$ 0
Origination fee	$ 125,000
Exit fee percentage			3.75%		3.75%
Repayment of long-term debt					$ 4,999,000	0
Long-term debt			$ 16,500,000		16,500,000
Interest paid on debt			$ 0	$ 152,000	$ 142,000	$ 453,000
Loans Payable \| Secured Debt \| Hercules Technology Growth Capital
Debt Instrument [Line Items]
Repayment of long-term debt		$ 4,999,000
Payments for debt end term fees		$ 100,000
Secured Debt \| MidCap Credit Agreement
Debt Instrument [Line Items]
Debt instrument, face amount	$ 25,000,000
Floating interest rate	6.25%
Variable rate	1.50%
Interest rate increase					2.00%
Secured Debt \| MidCap Credit Agreement \| Prior to first anniversary
Debt Instrument [Line Items]
Early termination fee			3.00%		3.00%
Secured Debt \| MidCap Credit Agreement \| After first anniversary
Debt Instrument [Line Items]
Early termination fee			1.00%		1.00%
Secured Debt \| MidCap Credit Agreement \| Forecast
Debt Instrument [Line Items]
Number of monthly installment payments \| installmentPayment							36
Secured Debt \| MidCap Credit Agreement - Tranche 1
Debt Instrument [Line Items]
Proceeds from long-term borrowing	$ 17,500,000
Proceeds from debt, net of fees and issuance costs	16,496,000
Estimated fees and issuance costs	348,000
Secured Debt \| MidCap Credit Agreement - Tranche 1 \| MidCap
Debt Instrument [Line Items]
Fee amount	656,000
Secured Debt \| MidCap Credit Agreement - Tranche 2
Debt Instrument [Line Items]
Estimated fees and issuance costs	$ 73,000
Secured Debt \| MidCap Credit Agreement - Tranche 2 \| Forecast
Debt Instrument [Line Items]
Debt instrument, face amount								$ 7,500,000