Growth capital advance.

No definition available.

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Period Type:	instant

- Definition

Line of credit facility interest rate accrues.

+ References

No definition available.

+ Details

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- Definition

Percentage of pay unused credit facility fee .

+ References

No definition available.

+ Details

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- Definition

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

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+ Details

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Balance Type:	credit
Period Type:	instant

- 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.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Balance Type:	na
Period Type:	duration

- Definition

Fair value amount of debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

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Balance Type:	debit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions 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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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

+ References

+ Details

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

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Balance Type:	credit
Period Type:	duration

- Details

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- Details

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Balance Type:
Period Type:

- Details

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Balance Type:
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- Details

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Period Type:

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Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

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Debt - Additional Information (Details) - USD ($)		9 Months Ended	12 Months Ended
Debt - Additional Information (Details) - USD ($)	Apr. 01, 2020	Sep. 30, 2021	Dec. 31, 2020	May 31, 2018
Debt Instrument [Line Items]
Debt maturity date			Apr. 30, 2022
Debt outstanding		$ 0	$ 38,124,000
Line of credit facility, Interest rate accrued	1.00%
Small Business Administration’s Paycheck Protection Program
Debt Instrument [Line Items]
Debt maturity date			Apr. 30, 2022
Loan
Debt Instrument [Line Items]
Debt outstanding			$ 8,100,000
Credit Facility Agreement
Debt Instrument [Line Items]
Debt instrument, principal				$ 30,000,000
Long-term line of credit				15,000,000
Growth capital advance				$ 15,000,000
Debt maturity date			May 31, 2020
Credit Facility Agreement
Debt Instrument [Line Items]
Debt maturity date			May 31, 2022
Subordinated Credit Facility Agreement
Debt Instrument [Line Items]
Debt maturity date			Aug. 31, 2022
Revolving Credit Facility
Debt Instrument [Line Items]
Debt maturity date			May 31, 2022
Amount available to borrow under revolving line of credit			$ 11,400,000
Line of credit facility, description		Interest accrues at the greater of (1) 4.50% and (2) the Prime Rate plus a margin of 0.50% per year (4.50% at December 31, 2020), unless certain milestones are achieved then interest accrues at the greater of (1) 4.00% and (2) the Prime Rate. Interest is payable monthly.
Line of credit facility, debt issuance costs			$ 22,500
Line of credit facility, expiration date			May 31, 2022
Growth Capital Advance Component
Debt Instrument [Line Items]
Debt instrument, principal			$ 1,000,000
Debt maturity date			Jun. 30, 2024
Line of credit facility, Interest rate accrued		5.00%
Percentage of pay unused credit facility fee to lender		0.50%
Amount available to borrow under revolving line of credit			$ 15,000,000
Line of credit facility, description		the lender agreed to make advances to the Company in three tranches not to exceed $5.0 million under each tranche, up to the total amount of $15.0 million during the draw period, which was available until June 30, 2021.
Line of credit facility, debt issuance costs		$ 25,000
Loss recognized from early prepayment			$ 353,000
Growth Capital Advance Component \| Debt Instrument Milestone Achieved
Debt Instrument [Line Items]
Line of credit facility, Interest rate accrued		4.50%
Growth Capital Advance Component \| Prime Rate
Debt Instrument [Line Items]
Interest rate at period end		1.00%
Line of credit facility, Interest rate			5.00%
Subordinate Credit Facility
Debt Instrument [Line Items]
Borrowed and repaid amount		$ 5,000,000
Amount available to borrow under revolving line of credit			$ 30,000,000
Subordinated Debt
Debt Instrument [Line Items]
Line of credit facility, expiration date			Aug. 31, 2022
Growth Capital Advance
Debt Instrument [Line Items]
Line of credit facility, expiration date			Jun. 30, 2024