v3.22.1

Other Current Assets (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Other Current Assets |
Schedule of other current assets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2021 | ​ | December 31, 2020
Prepaid expenses | ​ | $ | 1,047 | ​ | $ | 1,135
Other | ​ |  | 48 | ​ |  | 186
Total other current assets | ​ | $ | 1,095 | ​ | $ | 1,321

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