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Note 14 - Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
(in thousands) 

Level 3 Liabilities

 
     

Balance at January 1, 2021

 $1,847 

Unrealized gains on warrants, net

  (573)

Reclassification of warrant liability to additional paid in capital upon Warrant Modification

  (1,274 

Balance at December 31, 2021

  - 
     

Contingent consideration liabilities

  1,450 
     

Balance at December 31, 2022

 $1,450