Annual report pursuant to Section 13 and 15(d)

Note 11 - Lease Obligations (Details Textual)

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Note 11 - Lease Obligations (Details Textual)
$ in Thousands
12 Months Ended
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Jul. 31, 2022
Feb. 28, 2022
Operating Lease, Right-of-Use Asset $ 977 $ 1,307    
Operating Lease, Liability 1,086      
Operating Lease, Expense $ 548 $ 605    
Richmond California [Member]        
Lessee, Operating Lease, Term of Contract (Year) 5 years      
San Rafael California [Member]        
Lessee, Operating Lease, Renewal Term (Year) 3 years   3 years  
Hamburg Germany [Member]        
Lessee, Operating Lease, Term of Contract (Year) 5 years      
Lessee, Operating Lease, Renewal Term (Year) 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      
Operating Lease, Liability $ 16