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Note 18 - Income Taxes (Details Textual)
 12 Months Ended
Feb. 23, 2023
USD ($)
Feb. 23, 2023
MXN ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent     21.00%  
Deferred Tax Assets, Foreign Deferred Revenue and Other Provision     $ 2,367,000 $ 2,548,000
Unrecognized Tax Benefits, Ending Balance     200,000  
State and Local Jurisdiction [Member]        
Income Taxes Paid     3,000 6,000
Proceeds from Income Tax Refunds     0 0
Operating Loss Carryforwards     108,063,000  
Operating Loss Carryforwards, Subject to Expiration     103,141,000  
Operating Loss Carryforwards, Not Subject to Expiration     4,922,000  
State and Local Jurisdiction [Member] | FL [Member]        
Operating Loss Carryforwards     59,901,000  
State and Local Jurisdiction [Member] | Kentucky 1 [Member]        
Operating Loss Carryforwards     48,162,000  
Foreign Tax Authority [Member]        
Income Taxes Paid     934,000 211,000
Proceeds from Income Tax Refunds     0 0
Foreign Tax Authority [Member] | Mexican Tax Authority [Member] | Subsequent Event [Member]        
Tax Assessment of the Company $ 1,150,000 $ 20,922,000    
Domestic Tax Authority [Member]        
Income Taxes Paid     0 0
Proceeds from Income Tax Refunds     0 $ 0
Operating Loss Carryforwards     146,548,000  
Operating Loss Carryforwards, Subject to Expiration     135,646,000  
Operating Loss Carryforwards, Not Subject to Expiration     $ 10,902,000