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Debt (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
May 05, 2020 | Apr. 24, 2020 | Jun. 30, 2021 | Dec. 31, 2020
Debt Instrument, Redemption [Line Items] |  |  |  |
Interest expense |  |  |  | $ 25
Small Business Administration (SBA), CARES Act, Paycheck Protection Program |  |  |  |
Debt Instrument, Redemption [Line Items] |  |  |  |
Stated interest rate | 1.00% |  |  |
Amount of debt forgiven |  |  | $ 429 |
Amount received under PPP |  | $ 3,100 |  |
Term | 2 years |  |  |
Repayments of unsecured debt | $ 535 |  |  |
Outstanding loan and interest paid off |  |  | $ 111 |

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- Definition Decrease for amounts of indebtedness forgiven by the holder of the debt instrument. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: 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)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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