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Note 12 - Commitment and Contingencies (Details Textual)
$ in Thousands, Pure in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Dec. 29, 2022
USD ($)
Dec. 12, 2022
USD ($)
May 06, 2022
USD ($)
Feb. 24, 2022
USD ($)
Feb. 24, 2022
GBP (£)
Nov. 30, 2021
USD ($)
Jun. 10, 2021
USD ($)
shares
May 02, 2021
USD ($)
Apr. 30, 2022
USD ($)
Mar. 31, 2022
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Jun. 30, 2022
USD ($)
Purchase Obligation                     $ 6,500 $ 13,500  
Sales and Excise Tax Payable, Current                     1,019 711  
General and Administrative Expense                     20,220 38,239  
Earn-out Payment Dispute [Member]                          
Earn Out Payment Amount       $ 8,800 £ 6,902,816                
Settlement Agreement [Member]                          
Proceeds to be Received From Settlement Agreement               $ 3,000          
Line of Credit Facility, Number of Installments               3          
Settlement Agreement [Member] | Prepaid Expenses and Other Current Assets [Member]                          
Prepaid Expense, Current                       4,100  
Settlement Agreement [Member] | Third Party [Member]                          
Proceeds to be Received From Settlement Agreement           $ 1,000              
Settlement Agreement [Member] | First Payment [Member]                          
Litigation Settlement, Amount Awarded from Other Party                       1,000  
Securities Class Action [Member]                          
Litigation Settlement Amount Payable to Other Party     $ 1,300                   $ 1,300
Litigation Settlement, Expense     $ 1,300                    
Litigation Settlement, Amount Awarded to Other Party                       $ 1,300  
Stipulation [Member]                          
Litigation Settlement, Expense $ 300 $ 300                      
Securities Purchase Agreement [Member] | Sabby Volatility Warrant Master Fund Ltd [Member]                          
Litigation Settlement, Expense                     1,600    
Sale of Stock, Number of Shares Issued in Transaction (in shares) | shares             400,000            
Sale of Stock, Consideration Received on Transaction             $ 6,000            
General and Administrative Expense                     $ 1,600    
Securities Purchase Agreement [Member] | Muller Austria [Member]                          
Litigation Settlement, Amount Awarded to Other Party                   $ 800      
Litigation Settlement In Cash                 $ 500        
Litigation Settlement, Coupons Awarded                 $ 300