Note 1 - Organization and Significant Accounting Policies - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Cash	$ 12,560	$ 35,893
Cash equivalents	10,768	0
Restricted cash included in current assets	0	891
Restricted cash included in long-term assets	0	270
Total cash, cash equivalents, and restricted cash shown in the Consolidated Statements of Cash Flows	$ 23,328	$ 37,054

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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