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Note 11 - Earn-Out and Warrant Liabilities (Tables)
3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Notes Tables    
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
  

March 31,

 
  2023 

Term (in years)

  5.25 

Volatility

  55.00

%

  

December 31,
2022

  

December 31,
2021

  

July 1,
2021

 

Term (in years)

  5.50   6.50   7.00 

Volatility

  55.00%  40.00%  40.00%