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v3.22.2.2

Summary of significant accounting policies (Tables) | 9 Months Ended
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Sep. 30, 2022
Accounting Policies [Abstract] |
Reconciliation of cash | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | End of |  | ​ | Beginning of
​ |  | period- |  | period-
​ |  | September 30, |  | December 31,
​ |  | 2022 | ​ | 2021
Cash and cash equivalents | ​ | $ | 104,424 | ​ | $ | 189,718
Restricted cash included in deposits and other assets | ​ |  | 16,087 | ​ |  | 7,500
Total Cash, cash equivalents and restricted cash per statement of cash flows | ​ | $ | 120,511 | ​ | $ | 197,218
Schedule of Inventory | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2022 |  | December 31, 2021
Raw materials | ​ | $ | 1,231 | ​ | $ | 1,418
Work in progress | ​ |  | 7,070 | ​ |  | 7,721
Finished goods | ​ |  | 6,511 | ​ |  | 6,717
Total inventory | ​ | $ | 14,812 | ​ | $ | 15,856

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