Quarterly report pursuant to Section 13 or 15(d)

Note 14 - Commitments and Contingencies (Details Textual)

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Note 14 - Commitments and Contingencies (Details Textual)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended 15 Months Ended
Mar. 01, 2022
USD ($)
Oct. 15, 2012
USD ($)
Mar. 31, 2024
USD ($)
Jun. 30, 2023
Dec. 31, 2023
USD ($)
Mar. 31, 2024
USD ($)
Number Of License Agreements     2     2
Other Research and Development Expense         $ 20  
Purchase Obligation     $ 2,387   $ 2,783 $ 2,387
Long-Term Purchase Commitment, Period (Year)       1 year    
Lessee, Operating Lease, Liability, to be Paid     $ 1,106     $ 1,106
San Rafael and Hamburg [Member]            
Lessee, Operating Lease, Term of Contract (Year)     32 years     32 years
Royalty Agreement Terms [Member]            
Royalty Percentage   3.75%        
Royalty Expense $ 75 $ 250       $ 100
Royalty Agreement Terms [Member] | Licensed Patent Products [Member]            
Royalty Percentage   6.00%        
Royalty Agreement Terms [Member] | Licensed Software Products [Member]            
Royalty Percentage   3.00%        
Access to Information Technology Systems and Shared Services [Member]            
Research and Development Arrangement, Contract to Perform for Others, Costs Incurred, Monthly Payments, Beyond Twelve Months           $ 3
Sales Revenue Goods Net Excluding Government Sales [Member] | Royalty Agreement Terms [Member]            
Royalty Percentage     1.00%      
License Revenue [Member] | Royalty Agreement Terms [Member]            
Royalty Percentage     21.00%