XML 66 R45.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 7 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent   34.00% 34.00% 34.00%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount   $ 1,448
Unrecognized Tax Benefits   659 961 719
Unrecognized Tax Benefits that Would Impact Effective Tax Rate   300 400  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense     100  
Income Tax Examination, Penalties and Interest Expense     300  
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit   600    
Maximum [Member]        
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense   100    
Income Tax Examination, Penalties and Interest Expense   100    
Scenario, Forecast [Member]        
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00%      
Foreign Tax Authority [Member]        
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount   $ 300 $ 600 $ 9,400