Note D - Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2016
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
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
 
Schedule of Capital Leased Assets [Table Text Block]
   
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
 
Property, Plant and Equipment, Useful Life [Table Text Block]
   
Useful Life
 
Asset Category
 
(in years)
 
Laboratory equipment
   
10
 
Furniture and office equipment
   
5 - 10
 
Computers and hardware
   
3 - 7
 
Leasehold improvements
   
9