XML 96 R81.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 15 - Income Tax (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 35.00%   26.50% 26.50%  
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability     $ 13,325    
Deferred Tax Assets, Net $ 33,815   33,815 $ 67,671  
Undistributed Earnings of Foreign Subsidiaries 42,709   42,709 21,886  
Unrecognized Tax Benefits 1,858   1,858 2,292 $ 2,519
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 1,858   1,858 2,292  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense     18 234  
Recovery of Income Tax Interest and Penalties     155 58  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 213   213 $ 350  
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit $ (550)   $ (550)    
Domestic Tax Authority [Member] | Canada Revenue Agency [Member] | Minimum [Member]          
Income Tax Return Examination Period     4 years    
Domestic Tax Authority [Member] | Canada Revenue Agency [Member] | Maximum [Member]          
Income Tax Return Examination Period     7 years    
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Minimum [Member]          
Income Tax Return Examination Period     3 years    
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Maximum [Member]          
Income Tax Return Examination Period     5 years    
Foreign Tax Authority [Member] | Other Foreign Tax Authorities [Member]          
Income Tax Return Examination Period     4 years    
Scenario, Forecast [Member]          
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent   21.00%