XML 31 R17.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Accrued and Other Current Liabilities | 12 Months Ended
--- | ---
Dec. 31, 2021
Payables And Accruals [Abstract] |
Accrued and other current liabilities | Note 9 - Accrued and other current liabilities: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2020 |  | 2021
​ | ​ | (In thousands)
Employee benefits | ​ | $ | 9,000 | ​ | $ | 10,345
Other | ​ |  | 1,253 | ​ |  | 1,672
Total | ​ | $ | 10,253 | ​ | $ | 12,017
​

X
- Definition The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period. + References No definition available. + Details
Name: | us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_PayablesAndAccrualsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration