Quarterly report pursuant to Section 13 or 15(d)

Note 2 - Summary of Significant Accounting Policies (Details Textual)

v3.24.1.1.u2
Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Accounts Receivable, after Allowance for Credit Loss, Current $ 0   $ 67
Trade Accounts Receivable [Member]      
Accounts Receivable, after Allowance for Credit Loss, Current 0   $ 0
Sale of Inventory [Member]      
Revenue from Contract with Customer, Excluding Assessed Tax $ 0 $ 0