Schedule II - Valuation and Qualifying Accounts - Valuation and Qualifying Accounts (Details) - SEC Schedule, 12-09, Allowance, Sales and Returns, Discounts, Chargebacks and Rebates [Member] - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Balance $ 668 $ 161
Additions 1,012 645
Deductions [1] (900) (138)
Balance $ 780 $ 668
[1] Deductions to sales discounts and allowances relate to discounts or allowances actually taken or paid.