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Note 15 - Mezzanine Equity and Stockholders' Equity (Deficiency) (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Redeemable Noncontrolling Interest [Table Text Block]
  

Redeemable

noncontrolling

interest

 
  (in thousands) 

Beginning balance (December 31, 2021)

 $5,210 

Issuance of redeemable noncontrolling interest in EduTech

  5,794 

Net loss attributable to redeemable noncontrolling interest

  (401)

Other comprehensive income attributable to redeemable noncontrolling interest

  61 

Adjustment to present redemption value as of December 31, 2022

  3,343 

Ending balance (December 31, 2022)

 $14,007