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Note 5 - Property and Equipment
12 Months Ended
Dec. 31, 2019
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]
NOTE
5
Property and Equipment
 
Property and equipment consist of the following:
 
   
December 31,
   
Estimated
   
2019
   
2018
   
Useful Life (years)
Aircraft
  $
56,000
    $
56,000
   
 7
12
Vehicles
   
396,483
     
467,972
   
 5
10
Office furniture and equipment
   
452,520
     
409,260
   
 3
7
Tools and shop equipment
   
81,847
     
81,847
   
 3
10
Leasehold improvements
   
2,812,594
     
2,803,724
   
 10
20
Building/fuel farm
   
200,000
     
200,000
   
 7
17
Total
   
3,999,804
     
4,018,803
   
 
 
 
Less: accumulated depreciation and amortization
   
(3,676,488
)    
(3,630,731
)  
 
 
 
Property and equipment, net
  $
323,316
    $
388,072
   
 
 
 
 
Depreciation and amortization expense for the years ended
December 31, 2019
and
2018
was approximately
$124,000
and
$472,000,
respectively.