Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation (Details Textual)

v2.4.0.8
Stock Based Compensation (Details Textual)
3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended
Jun. 28, 2014
USD ($)
Jun. 28, 2014
USD ($)
Jun. 29, 2013
USD ($)
Jun. 28, 2014
Director Equity Plan [Member]
USD ($)
Jun. 29, 2013
Director Equity Plan [Member]
USD ($)
Jun. 28, 2014
2006 Stock Option Plan [Member]
Awards
Jun. 28, 2014
2006 Stock Option Plan [Member]
Maximum [Member]
Jun. 28, 2014
2001 Restricted Stock Plan [Member]
USD ($)
Jun. 30, 2012
2001 Restricted Stock Plan [Member]
USD ($)
Jun. 28, 2014
Equity Incentive Plan (2011 Plan) [Member]
Jun. 28, 2014
Employee Stock Purchase Plan [Member]
USD ($)
Jun. 29, 2013
Employee Stock Purchase Plan [Member]
Jun. 30, 2012
Employee Stock Purchase Plan [Member]
USD ($)
Jun. 28, 2014
Employee Stock Purchase Plan [Member]
Minimum [Member]
Jun. 28, 2014
Employee Stock Purchase Plan [Member]
Minimum [Member]
United States [Member]
USD ($)
Jun. 28, 2014
Employee Stock Purchase Plan [Member]
Minimum [Member]
United Kingdom [Member]
GBP (£)
Jun. 28, 2014
Employee Stock Purchase Plan and U.K. Plan [Member]
Jun. 28, 2014
Nonemployee Director Equity and Deferred Compensation Plan [Member]
USD ($)
Stock Option Plans (Textual) [Abstract]                                    
Shares available for issuance       25,000   1,125,000   928,125                   231,749
Exercise price per share not less than fair value percent           110.00%                        
Exercise price per share more than voting stock           10.00%                        
Stock options maximum term (in years)             10 years                      
Number of awards granted under 2006 plan           0                        
Minimum period before shares become non-forfeitable (in months)               6 months                    
Plan Expiration year               2011                    
Aggregate shares of restricted stock grant 0                 1,000,000 1,096,875              
Remaining number of shares to be issued       270,000           731,262             666,327  
Restricted stock expense               $ 1,357,000 $ 1,038,000                  
Total unrecognized compensation 3,402,000 3,402,000                                
Recognized weighted average period (in years) 0 years 13 months 24 days                                  
Rate of common stock at market value                     85.00%              
Ratio for additional common stock shares issued, under ESPP   6                                
Shares allowed to be purchased by U.S. employees and U.K. employees                             25,000 1,500    
Allowable purchase rate of common stock based on annual salary                           10.00%        
Number of shares purchased by employees                     12,304 20,203            
Weighted average price                     $ 33.35   $ 23.08          
Share based Compensation Expenses   104,000 112,000                              
Stock option granted, shares       8,500 8,500                         375
Cash fees paid                                   3,000
Fee for the chairs of each Board committee       125.00%                           25.00%
Deferred stock units outstanding 0 0                                
Common stock shares for each nonemployee director       500                            
Share based Compensation Expenses under Director's plan       $ 336,000 $ 288,000