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v3.22.4

Schedule II Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2022
Schedule II-Valuation and Qualifying Accounts |
Schedule II-Valuation and Qualifying Accounts | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Balance at |  | Charged to |  | ​ | ​ |  | Balance at |
​ | ​ | Beginning of | ​ | Costs and | ​ | ​ | ​ | ​ | End of |
​ | ​ | Period | ​ | Expenses | ​ | Deductions | ​ | Period |
Year ended December 31, 2022 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Allowance for doubtful accounts and returns | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​
Deferred tax valuation allowance | ​ | ​ | 7,689 | ​ | ​ | 1,529 | ​ | ​ | 848 | ​ | ​ | 8,370 | ​
Year ended December 31, 2021 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Allowance for doubtful accounts and returns | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​
Deferred tax valuation allowance | ​ | ​ | 9,133 | ​ | ​ | 780 | ​ | ​ | 2,224 | ​ | ​ | 7,689 | ​
Year ended December 31, 2020 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Allowance for doubtful accounts and returns | ​ | $ | 818 | ​ | $ | — | ​ | $ | 818 | ​ | $ | — | ​
Deferred tax valuation allowance | ​ | ​ | 8,327 | ​ | ​ | 806 | ​ | ​ | — | ​ | ​ | 9,133 | ​

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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