FINANCIAL INSTRUMENTS - Disclosure of detailed information about allowance for doubtful accounts for trade accounts receivable (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Disclosure of detailed information about financial instruments [abstract] | ||
| Allowance for doubtful accounts, beginning of year | $ 169 | $ 188 |
| (Reversal of) Provision for doubtful accounts | (17) | (13) |
| Bad debts written off, net of recoveries | (115) | (6) |
| Allowance for doubtful accounts, end of year | $ 37 | $ 169 |