ACCOUNTS RECEIVABLE - Allowance for doubtful accounts (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended | |
---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Dec. 31, 2020 |
|
ACCOUNTS RECEIVABLE | |||
Balance at beginning of period | $ 500 | $ 199 | $ 199 |
Provision for uncollectible accounts | (164) | $ (285) | 377 |
Uncollectible accounts written off | (27) | (76) | |
Balance at end of period | $ 309 | $ 500 |
X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- Definition Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- References No definition available.
|