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Note 5 - Income Taxes (Tables)
12 Months Ended
Dec. 31, 2018
Notes Tables  
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
   
Year Ended
December 31,
 
   
20
18
   
20
17
 
Domestic
 
$
(2,802
)
  $
289
 
Foreign
 
 
5,842
     
3,865
 
Total:
 
$
3,040
    $
4,154
 
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
   
Year Ended
December 31,
 
   
20
18
   
20
17
 
Current:
               
Federal
 
$
(155
)
  $
79
 
Foreign
 
 
1,501
     
1,131
 
State
 
 
158
     
128
 
                 
Deferred expense (benefit):
               
Federal
 
 
(54
)
   
1,571
 
Foreign
 
 
147
     
(117
)
State
 
 
(195
)
   
185
 
Net expense
 
$
1,402
    $
2,977
 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
   
Year Ended December 31,
 
   
2018
   
Rate
   
2017
   
Rate
 
Provision for income taxes at federal statutory rate
 
$
638
     
21.0
%   $
1,421
     
34.0
%
State income taxes, net of federal benefit
 
 
(73
)
   
(2.4%
)    
17
     
0.4
%
Permanent differences
 
 
(60
)
   
(2.0%
)    
85
     
2.1
%
Federal Research and Development Credit
 
 
     
     
41
     
1.0
%
Foreign tax rate differential 
 
 
304
     
10.0
%    
(494
)    
(11.8%
)
GILTI tax
 
 
439
     
14.4
%    
798
     
19.0
%
Reduction in deferred tax asset – Reduction of corporate tax rate
 
 
     
     
1,043
     
24.8
%
Other
 
 
154
     
5.5
%    
66
     
1.7
%
Net expense
 
$
1,402
     
46.5
%   $
2,977
     
71.2
%
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Deferred taxes consist of the following (in thousands):
 
December 31,
 
   
20
18
   
20
17
 
Deferred tax assets:
               
Net operating loss carry forwards
 
$
1,357
    $
1,313
 
Federal Research and Development Credit
 
 
240
     
240
 
Deferred revenue
 
 
109
     
360
 
Accrued payroll    
73
     
 
Allowance for doubtful accounts and other receivable
 
 
36
     
59
 
Share-based compensation expense
 
 
545
     
646
 
Foreign subsidiaries
 
 
733
     
588
 
Depreciation
 
 
396
     
360
 
Other
 
 
439
     
26
 
Federal Alternative Minimum Tax
 
 
     
156
 
Valuation allowance    
(292
)
   
 
Total deferred tax assets
 
 
3,636
     
3,748
 
                 
Deferred tax liabilities:
               
Goodwill
 
 
76
     
224
 
Intangible assets of subsidiaries
 
 
513
     
 
Capitalized software development costs
 
 
479
     
469
 
Total deferred tax liabilities
 
 
1,068
     
693
 
Net deferred taxes
 
$
2,568
    $
3,055
 
Summary of Income Tax Contingencies [Table Text Block]
   
Year Ended December 31,
 
   
20
18
   
20
17
 
Beginning balance
 
$
116
    $
116
 
Removal for tax provisions of prior years
 
 
(15
)
   
 
Ending balance
 
$
101
    $
116
 
Schedule Of Tax Reserves [Table Text Block]
   
Taxes
   
Interest
   
Penalty
   
Total Tax Liability
 
Domestic
                               
State
  $
101
    $
50
    $
8
    $
159
 
Federal
   
     
     
     
 
International
   
     
     
     
 
Total reserve
  $
101
    $
50
    $
8
    $
159