Note D - Property and Equipment
 12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]
D.
Property and Equipment
 
 
Property and equipment consists of the following (in thousands):
 
   
December 31,
  
   
2016
    
2015
  
Laboratory equipment
   $
842
     $
530
  
Furniture and office equipment
    
733
      
169
  
Computers and hardware
    
231
      
176
  
Leasehold improvements
    
769
      
6
  
Total property and equipment
    
2,575
      
881
  
Less: accumulated depreciation and amortization
    
(605
)
    
(478
)
Property
and equipment, net
   $
1,970
     $
403
  
 
The Company leases various equipment and leasehold improvements under capital lease agreements. The assets under capital leases are included in property and equipment as follows (in thousands):
 
   
December 31,
  
   
2016
    
2015
  
Laboratory equipment
   $
271
     $
—
  
Furniture and office equipment    
537
      
94
  
Leasehold improvements    
59
      
—
  
Total property and equipment financed under a capital lease agreement    
 867
      
 94
  
Less: accumulated depreciation and amortization
    
(31
)
    
(22
)
Property and equipment financed under a capital lease agreement, net   $
836
     $
72
  
 
The estimated useful lives of property and equipment are as follows:
 
   
Useful Life
  
Asset Category
  
(in years)
  
Laboratory equipment
    
10
  
Furniture and office equipment
    
5 - 10
  
Computers and hardware
    
3 - 7
  
Leasehold improvements
    
9
  
 
Depreciation and amortization expense, including amounts
pertaining to assets held under capital leases, was approximately
$175,000,
$84,000
and 
$75,000
for the years ended
December
31,
2016,
2015
and
2014,
respectively.