Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Capital Stock (Details Textual)

v3.7.0.1
Note 6 - Capital Stock (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jul. 02, 2017
Jul. 03, 2016
Jul. 02, 2017
Jul. 03, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 1,343,716   1,343,716  
Employee Stock Option [Member]        
Allocated Share-based Compensation Expense $ 11 $ 21 $ 23 $ 42
Restricted Stock Units (RSUs) [Member]        
Allocated Share-based Compensation Expense $ (18) $ 107 $ 173 $ 182
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     68,000  
Executive Officer [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 1,343,716      
Executive Officer [Member] | Employee Stock Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 20.00%      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting, First Share Price Trigger $ 2      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting, Second Share Price Trigger 3      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting, Third Share Price Trigger 4      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting, Fourth Share Price Trigger 5      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting, Fifth Share Price Trigger $ 6      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 90 days      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 10 years