Annual report pursuant to Section 13 and 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
CONDENSED CONSOLIDATED BALANCE SHEETS    
Allowance for doubtful accounts $ 1,139 $ 1,389