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Commitments and Contingencies - Additional Information (Details) - License agreement with ANR - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jan. 22, 2013 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Commitments and Contingencies |  |  |  |  |
Percentage of royalty on net revenue | 4.00% |  |  |  |
Royalty expense |  | $ 8 | $ 4 | $ 20 | $ 10

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- Definition Commitments and contingencies. + References No definition available. + Details
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- Definition Percentage of royalty on net revenue. + References No definition available. + Details
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- Definition Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
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- Details
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