XML 67 R56.htm IDEA: XBRL DOCUMENT v3.21.2
Note 11 - Revenues - Allowance for Doubtful Accounts (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Balance, beginning of period $ 227 $ 325
Bad debt (credit) expense (13) 24
Charge-offs and other (71) (60)
Effect of foreign currency translation (5) 4
Balance, end of period $ 138 $ 293