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Note 16 - Notes Payable and Line of Credit (Tables)
 6 Months Ended
Jun. 30, 2020
Notes Tables  
Schedule of Debt [Table Text Block]
(in thousands)
  
As of June 30, 2020
    
As of December 31, 2019
  
Note Payable - Financing note
(1)
   $
579
     $
473
  
Pay check protection loans
(2)
    
1,924
      
—
  
Line of credit
(3)
    
550
      
—
  
Seller Financed notes payable - Reach Construction acquisition
(4)
    
6,480
      
—
  
Vehicle and equipment loans
(5)
    
367
      
—