Prepaid Expenses and Other Current Assets (Tables) |
12 Months Ended |
|---|---|
Dec. 31, 2021 | |
| Prepaid Expenses and Other Current Assets [Abstract] | |
| Schedule of Prepaid Expenses and Other Current Assets | December 31, 2021 2020Vendor prepayments $471 $716Other prepaid expenses 220 227Total prepaid expenses and other current assets $691 $943 |