Stock Based Compensation (Details Textual) (USD $)	1 Months Ended		3 Months Ended		6 Months Ended			0 Months Ended	6 Months Ended		6 Months Ended
	Feb. 28, 2013	Feb. 28, 2012	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013		Jan. 04, 2014 Restricted Stock Units (RSUs)	Jun. 28, 2014 Restricted Stock Units (RSUs)	Jun. 28, 2014 Restricted Stock Units (RSUs) Maximum	Jun. 28, 2014 Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted-average grant date fair value of the options granted			$ 4.09	$ 2.89	$ 4.09	$ 3.00
Dividend yield
Stock-based compensation capitalized into inventory					$ 15,000	$ 11,000	[1]
Total intrinsic value of options exercised					566,000	445,000
Total unrecognized compensation cost, net of expected forfeitures, related to non-vested share-based compensation arrangements under the Incentive Plan			1,600,000		1,600,000
Compensation cost recognition, weighted average period (years)					2 years 9 months 15 days
Weighted grant date fair value of restricted stock units granted					234,000
Weighted-average grant date fair value of restricted stock units granted			$ 4.67		$ 4.67
Period consider for calculation of average stock price performance prior awards vesting									2 months
Period consider for calculation of average stock price performance after awards vesting									2 months
Stock Based Compensation (Textual) [Abstract]
Restricted stock units granted								50,000	50,000		0
Restricted stock units, calculated stock price										$ 11.00
Restricted stock vested during the period									36,250		0
Restricted stock forfeited during the period											0
Stock repurchase program authorized amount	3,000,000	4,000,000
Stock repurchase, shares					260,196
Shares repurchased price, per share					$ 8.63
Common shares under the stock repurchase program					$ 328,000

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