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Note 5 - Goodwill and Other Intangible Assets, Net (Tables)
9 Months Ended
Sep. 30, 2018
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   
September
30,
2018
   
December 31,
2017
 
Customer List: Backlog
  $
4,970,000
    $
1,970,000
 
Non-Compete Agreements
   
200,000
     
200,000
 
Trademarks
   
340,000
     
340,000
 
Other Intangibles
   
5,510,000
     
2,510,000
 
Less: Accumulated Amortization
   
1,084,207
     
613,601
 
Other Intangibles, Net
  $
4,425,793
    $
1,896,399