Note 1 - Basis of Presentation - Credit Risk and Allowance for Doubtful Accounts (Details) $ in Thousands |
3 Months Ended |
|---|---|
|
Mar. 31, 2020
USD ($)
| |
| Allowance for credit losses, December 31, 2019 | $ 9,898 |
| Additional provisions | 36 |
| Uncollectible accounts written off | |
| Allowance for credit losses, March 31, 2020 | $ 9,934 |
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable. 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
|