Note 11 - Accrued Liabilities
|12 Months Ended|
Dec. 31, 2021
|Notes to Financial Statements|
|Accounts Payable and Accrued Liabilities Disclosure [Text Block]||
Accrued liabilities consist of the following (in thousands):
The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef