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Note 3 - Asset Acquisition (Details Textual) - Professional Services and Technology Acquisition Agreement [Member] - USD ($)
$ in Thousands
12 Months Ended
Nov. 22, 2022
Dec. 31, 2022
Payments to Acquire Businesses, Gross $ 700 $ 700
Finite-Lived Intangible Assets Acquired $ 700  
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life 3 years  
February 13 Delviery [Member]    
Business Combination, Contingent Consideration, Liability, Total $ 125 125
Final Delivery of Technology, Services, and License [Member]    
Business Combination, Contingent Consideration, Liability, Total $ 125 $ 125