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Note 6 - Other Assets
 12 Months Ended
Dec. 31, 2017
Notes to Financial Statements  
Other Assets Disclosure [Text Block]
6.
Other assets
 
      December 31,
2017		       December 31,
2016		  
         
Advisor loans receivable   $
44,978
     $
28,477
  
Equity and cost method investments    
5,756
      
7,028
  
Financing fees, net of accumulated amortization of $1,672 (December 31, 2016 - $947)    
2,953
      
2,044
  
Interest rate swap asset    
751
      
-
  
Other    
1,059
      
1,108
  
                 
    $
55,496
     $
38,657