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Note 2 - Ownership Interests and Advances (Tables)
3 Months Ended
Mar. 31, 2021
Notes Tables  
Schedule of Investments in and Advances to Affiliates, Schedule of Investments [Table Text Block]
  

March 31, 2021

  

December 31, 2020

 
  

(Unaudited - In thousands)

 

Equity Method:

        

Companies

 $27,541  $27,550 

Private equity funds

  271   271 
   27,812   27,821 

Other Method:

        

Companies

  32,833   19,683 

Private equity funds

  268   268 
   33,101   19,951 

Advances to companies

  1,680   2,626 
  $62,593  $50,398 
Equity Method Investments [Table Text Block]
  

Three Months Ended March 31,

 
  

2021

  

2020

 
  

(Unaudited - In thousands)

 

Results of Operations:

        

Revenue

 $40,168  $47,414 

Gross profit

 $28,228  $29,506 

Net loss

 $(23,021) $(14,604)