Stock-based Compensation Plan (Details Textual) (USD $)	6 Months Ended
	Jul. 01, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of days vested of the termination of the option holders employment	30 days
Percentage of forfeiture rate	100.00%
Series 1 Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Price per share of common stock investment	$ 100
Percentage of share value accretes at a rate	9.00%
Series 2 Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Price per share of common stock investment	$ 250.00
Stock Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized number of shares to be granted	271,784
Percentage of outstanding shares of common stock to the purchaser	10.00%
Expired date	10 years
Number of common stock available for future grant	9,936
Stock Compensation Plan | Series 1 Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of options granted	79.00%
Number of years subject to the achievement of certain performance targets	4 years
Stock Compensation Plan | Series 2 Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of options issued	20.00%
Stock Compensation Plan | Series 3 Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of options issued	1.00%