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Debt - Streeterville Notes (Details) $ in Thousands |  |  | 1 Months Ended |  |
--- | --- | --- | --- | --- | ---
Apr. 21, 2022 USD ($) creditFacility | Apr. 27, 2021 USD ($) creditFacility deferral | Apr. 30, 2022 USD ($) | Apr. 30, 2021 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Purchase price |  |  |  | $ 1,500 |  |
Subsequent Event |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Purchase price |  |  | $ 1,800 |  |  |
2022 Streeterville Note |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Right to defer mandatory redemption, number of deferrals | deferral |  | 5 |  |  |  |
2022 Streeterville Note | Subsequent Event |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount | $ 2,000 |  |  |  |  |
Issue discount | 215 |  |  |  |  |
Purchase price | 1,800 |  |  |  |  |
Unamortized debt issuance costs | $ 15 |  |  |  |  |
Interest rate | 8.00% |  |  |  |  |
Maximum redemption amount | $ 225 |  |  |  |  |
Right to defer mandatory redemption, number of deferrals | creditFacility | 5 |  |  |  |  |
Percentage increase due to deferral of redemption option | 1.50% |  |  |  |  |
Percentage increase if delisted from Nasdaq | 15.00% |  |  |  |  |
2022 Streeterville Note | Subsequent Event | Debt Instrument, Redemption, Period One |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Prepayment premium | 5.00% |  |  |  |  |
Debt prepayment limit, percent | 50.00% |  |  |  |  |
2022 Streeterville Note | Subsequent Event | Debt Instrument, Redemption, Period Two |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Prepayment premium | 7.50% |  |  |  |  |
2021 Streeterville Note |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount |  | $ 1,700 |  |  |  |
Issue discount |  | 194 |  |  |  |
Purchase price |  | 1,500 |  |  |  |
Unamortized debt issuance costs |  | $ 15 |  |  |  |
Interest rate |  | 8.00% |  |  |  |
Maximum redemption amount |  | $ 205 |  |  |  |
Right to defer mandatory redemption, number of deferrals | creditFacility |  | 3 |  |  |  |
Percentage increase due to deferral of redemption option |  | 1.50% |  |  |  |
Total liability, net of discount and financing fees |  |  |  |  | $ 1,200 | $ 1,700
Unamortized issuance costs at date of issuance |  |  |  |  | $ 17 | $ 43
Percentage increase if delisted from Nasdaq |  | 15.00% |  |  |  |
2021 Streeterville Note | Debt Instrument, Redemption, Period One |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Prepayment premium |  | 5.00% |  |  |  |
Debt prepayment limit, percent |  | 50.00% |  |  |  |
2021 Streeterville Note | Debt Instrument, Redemption, Period Two |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Prepayment premium |  | 10.00% |  |  |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + 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)(1) -URI http://asc.fasb.org/extlink&oid=123466204&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(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 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 4: 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 + Details
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