XML 65 R54.htm IDEA: XBRL DOCUMENT v3.21.2
Note 15 - Commitments and Contingencies - Allowance of Doubtful Accounts (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Balance at beginning of period $ 473 $ 127
Bad debt expense 9 114
Write-offs (429) (47)
Other adjustments (1) (33)
Balance at end of period $ 52 $ 161