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Note 11 - Leases (Details Textual) - USD ($)
$ in Thousands
9 Months Ended
Oct. 08, 2021
Sep. 30, 2021
Sep. 30, 2020
Payments to Acquire Property, Plant, and Equipment, Total   $ 440 $ 669
Subsequent Event [Member]      
Payments to Acquire Property, Plant, and Equipment, Total $ 7,800    
Increase (Decrease) in Operating Lease, Right-of-Use Asset (2,300)    
Increase (Decrease) in Operating Lease Liability $ (2,300)    
Minimum [Member]      
Lessee, Operating Lease, Remaining Lease Term (Month)   11 months  
Lessee, Operating Lease, Renewal Term (Year)   3 years  
Maximum [Member]      
Lessee, Operating Lease, Remaining Lease Term (Month)   43 months  
Lessee, Operating Lease, Renewal Term (Year)   10 years  
Other Assets [Member]      
Operating Lease, Right-of-Use Asset   $ 2,600  
Other Liabilities [Member]      
Operating Lease, Liability, Total   $ 2,620