Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Lease Obligations (Details Textual)

v3.23.2
Note 11 - Lease Obligations (Details Textual)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Jul. 31, 2022
Feb. 28, 2022
Operating Lease, Right-of-Use Asset $ 1,146   $ 1,146   $ 1,307    
Operating Lease, Liability 1,265   1,265        
Operating Lease, Expense $ 138 $ 124 $ 271 $ 266      
Richmond California [Member]              
Lessee, Operating Lease, Term of Contract (Year) 5 years   5 years        
Lessee, Operating Leases, Maintenance Costs, Percentage Of Mark-Up 25.00%   25.00%        
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