Annual report pursuant to Section 13 and 15(d)

Note 6 - Stock-based Compensation (Details Textual)

v3.3.1.900
Note 6 - Stock-based Compensation (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jul. 31, 2010
Jan. 03, 2016
Dec. 28, 2014
Dec. 29, 2013
Incentive 2010 Plan [Member] | Restricted Stock Units (RSUs) [Member]            
Stock Issued During Period, Shares, Conversion of Convertible Securities       67,779    
Incentive 2010 Plan [Member] | Minimum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     1 year      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period     5 years      
Incentive 2010 Plan [Member] | Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     3 years      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period     10 years      
Incentive 2010 Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum     1.00% 1.00% 1.00% 1.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross       0    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized     350,000      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized 652,000 670,000   176,197 164,173 163,619
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant       2,108,210    
Restricted Stock Units (RSUs) [Member] | Minimum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       1 year    
Restricted Stock Units (RSUs) [Member] | Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       3 years    
Restricted Stock Units (RSUs) [Member]            
Allocated Share-based Compensation Expense       $ 335,000 $ 131,000 $ 0
Stock Issued During Period, Shares, Conversion of Convertible Securities       67,779    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross       498,879 235,000
Allocated Share-based Compensation Expense       $ 175,000 $ 133,000 $ 248,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares       257,430 95,002 158,334
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options       $ 217,000