Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Fair Value Measurement - Fair Value Hierarchies (Details)

v3.23.3
Note 5 - Fair Value Measurement - Fair Value Hierarchies (Details) - Fair Value, Recurring [Member] - USD ($)
Sep. 30, 2023
Dec. 31, 2022
Warrant liabilities $ 47 $ 233
Fair Value, Inputs, Level 1 [Member]    
Warrant liabilities 0 0
Fair Value, Inputs, Level 2 [Member]    
Warrant liabilities 0 0
Fair Value, Inputs, Level 3 [Member]    
Warrant liabilities $ 47 $ 233