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v3.21.1

Lines of Credit - Additional Information (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2017
Notes Payable |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Debt instrument outstanding amount | $ 6,291,000 |  |  |  |
Minimum | Notes Payable |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Debt instrument interest rate | 0.00% |  | 0.00% |  |
Maximum | Notes Payable |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Debt instrument interest rate | 6.25% |  | 6.25% |  |
Bank of America |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Line of credit maximum borrowing capacity |  |  |  |  | $ 12,400,000
Borrowing base description | The Borrowing Base is computed based upon a percentage of eligible receivables within each aging category under 120 days and is further refined for customer type. Receivables in excess of 120 days and those from related parties or affiliates are not considered to be eligible receivables for the Borrowing Base. |  |  |  |
Line of credit facility increase in amount |  |  |  | $ 15,000,000.0 |
Line of credit interest expense | $ 100,000 | $ 55,000 |  |  |
Bank of America | Term Loan |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Debt instrument payment terms | thirty-six months |  |  |  |
Debt instrument date of first repayment |  |  | Apr. 13, 2020 |  |
Debt instrument maturity date |  |  | Mar. 13, 2023 |  |
Debt instrument periodic payment |  |  | $ 29,294 |  |
Debt instrument interest rate |  |  | 3.49% |  |
Debt instrument outstanding amount | $ 700,000 |  | $ 800,000 |  |
Bank of America | Notes Payable | Term Loan |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Debt instrument principal amount |  |  | 1,000,000.0 |  |
Bank of America | Revolving Credit Facility |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Line of credit interest rate | 3.60% | 2.99% |  |  |
Line of credit expiration date | Jul. 31, 2021 |  |  |  |
Bank of America | Revolving Credit Facility | LIBOR |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Line of credit basis spread on variable rate | 1.25% |  |  |  |
Bank of America | Fixed Line 1 |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Line of credit interest rate | 2.86% | 3.74% |  |  |
Line of credit remaining borrowing capacity | $ 0 |  |  |  |
Line of credit payment date | Aug. 31, 2018 |  |  |  |
Line of credit frequency of principal payments description | sixty equal monthly installments |  |  |  |
Line of credit facility maturity date | 2023-08 |  |  |  |
Line of credit outstanding amount | $ 500,000 |  | 500,000 |  |
Bank of America | Fixed Line 1 | Notes Payable |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Line of credit maximum borrowing capacity |  |  |  |  | $ 1,000,000.0
Bank of America | Fixed Line 1 | LIBOR |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Line of credit basis spread on variable rate | 2.75% |  |  |  |
Bank of America | Fixed Line 2 |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Line of credit interest rate | 2.11% |  |  |  |
Line of credit remaining borrowing capacity | $ 0 |  |  |  |
Line of credit payment date | Aug. 31, 2020 |  |  |  |
Line of credit frequency of principal payments description | sixty equal monthly installments |  |  |  |
Line of credit facility maturity date | 2025-09 |  |  |  |
Line of credit outstanding amount | $ 900,000 |  | $ 900,000 |  |
Bank of America | Fixed Line 2 | Notes Payable |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Line of credit maximum borrowing capacity |  |  |  | $ 1,000,000.0 |
Bank of America | Fixed Line 2 | LIBOR |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Line of credit basis spread on variable rate | 2.00% |  |  |  |
Bank of America | Minimum | Revolving Credit Facility |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Line of credit basis spread on variable rate | 2.35% |  |  |  |
Bank of America | Maximum | Revolving Credit Facility |  |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |  |
Line of credit basis spread on variable rate | 2.95% |  |  |  |

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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(3)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
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- 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition Description of the credit facility's borrowing capacity including discussion of how the borrowing capacity is determined (for example, borrowing capacity based on the amount of current assets). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Date the first payment under the line of credit must be paid, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Description of the frequency of periodic payments, which may be presented in a variety of ways (for example, monthly, quarterly, annually). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of increase (decrease) of the credit facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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