Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Lease Obligations (Details Textual)

v3.23.3
Note 11 - Lease Obligations (Details Textual)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Jul. 31, 2022
Feb. 28, 2022
Operating Lease, Right-of-Use Asset $ 1,053   $ 1,053   $ 1,307    
Operating Lease, Liability 1,167   1,167        
Operating Lease, Expense $ 146 $ 189 $ 417 $ 455      
Richmond California [Member]              
Lessee, Operating Lease, Term of Contract (Year) 5 years   5 years        
San Rafael California [Member]              
Lessee, Operating Lease, Renewal Term (Year) 3 years   3 years     3 years  
Hamburg Germany [Member]              
Lessee, Operating Lease, Term of Contract (Year) 5 years   5 years        
Lessee, Operating Lease, Renewal Term (Year) 5 years   5 years        
Lessee, Operating Lease, Number Of Extension             1
Lessee, Operating Lease, Remaining Lease Term (Month)             2 months
Operating Lease, Right-of-Use Asset $ 15   $ 15        
Operating Lease, Liability $ 16   $ 16