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 ($)
$ in Thousands
3 Months Ended
May 15, 2017
Apr. 02, 2017
Apr. 03, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   0  
Incentive 2010 Plan [Member] | Subsequent Event [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 350,000    
Incentive 2010 Plan [Member] | Subsequent Event [Member] | President and Chief Executive Officer [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 671,858    
Employee Stock Option [Member]      
Allocated Share-based Compensation Expense   $ 12 $ 21
Restricted Stock Units (RSUs) [Member]      
Allocated Share-based Compensation Expense   $ 191 $ 75
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period   68,000