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Note 12 - Mezzanine Equity and Stockholders' Deficiency (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Redeemable Noncontrolling Interest [Table Text Block]
  

Redeemable

 
  

noncontrolling

 
  

interest

 
  

(in thousands)

 

Beginning balance (December 31, 2020)

 $3,061 

Issuance of redeemable noncontrolling interest in EduTech

  238 

Net income (loss) attributable to redeemable noncontrolling interest

  (847)

Other comprehensive income (loss) attributable to redeemable noncontrolling interest

  (63)

Adjustment to present redemption value as of December 31, 2021

  2,821 

Ending balance (December 31, 2021)

 $5,210