Annual report pursuant to Section 13 and 15(d)

Note 11 - Income Taxes (Tables)

v3.19.1
Note 11 - Income Taxes (Tables)
12 Months Ended
Dec. 31, 2018
Notes Tables  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
   
Year Ended
 
   
December 31,
 
   
2018
   
2017
 
                 
Income tax provision (benefit) at statutory rate
   
(21
)%    
(34
)%
State income taxes, net of federal benefit
   
(4
)%    
(4
)%
Change in valuation allowance
   
23
%    
4
%
Effect of tax legislation
   
0
%    
33
%
Other
   
2
%    
1
%
Effective tax rate
   
0
%    
0
%
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
   
December 31,
 
   
2018
   
2017
 
Deferred tax assets:
               
Net operating loss carryforwards
  $
31,759
    $
19,699
 
Capitalized start up costs
   
3,555
     
3,963
 
Research and development credits
   
951
     
835
 
Accruals and reserves
   
1,272
     
1,403
 
Fixed assets and depreciation
   
69
     
39
 
Total deferred tax assets
   
37,606
     
25,939
 
Valuation allowance
   
(37,606
)    
(25,939
)
                 
Net deferred tax assets
  $
-
    $
-
 
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
   
Year Ended
 
   
December 31,
 
   
2018
   
2017
 
                 
Balance at the beginning of the year
  $
397
    $
268
 
Additions based upon tax positions related to the current year
   
53
     
129
 
Balance at the end of the year
  $
450
    $
397