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Notes Payable - Convertible Note Payable (Details) - Convertible Notes Payable [Member] - USD ($) $ in Thousands | 1 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2011 | Mar. 31, 2022 | Dec. 31, 2021
Debt Instrument [Line Items] |  |  |
Principal amount of notes payable | $ 10,281 |  |
Minimum value of preferred units into which convertible notes payable will be converted | $ 16,000 |  |
Convertible debt outstanding |  | $ 14,147 | $ 14,041
Original borrowing |  | 11,331 | 11,331
Amortized premium |  | 1,050 | 1,050
Accrued interest |  | $ 3,866 | $ 3,760

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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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