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Stock Based Compensation (Details Textual) (USD $)	1 Months Ended		3 Months Ended		0 Months Ended	3 Months Ended
	Feb. 28, 2013	Feb. 29, 2012	Mar. 29, 2014	Mar. 30, 2013	Jan. 04, 2014 Restricted stock units	Mar. 29, 2014 Restricted stock units	Mar. 29, 2014 Restricted Stock Awards	Mar. 29, 2014 Maximum Restricted stock units
Stock Based Compensation (Additional Textual) [Abstract]
Weighted-average grant date fair value of the options granted			$ 4.09	$ 3.05
Stock-based compensation capitalized into inventory			$ 17,000	$ 17,000
Total intrinsic value of options exercised			462,000	259,000
Total unrecognized compensation cost, net of expected forfeitures, related to non-vested share-based compensation arrangements under the Incentive Plan			1,800,000
Compensation cost recognition, weighted average period (years)			2 years 11 months 5 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
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 repurchase program authorized amount	3,000,000	4,000,000
Stock repurchase, shares			39,813
Shares repurchased price, per share			$ 8.69
Common shares under the stock repurchase program			$ 2,200,000
Dividend yield			0.00%	0.00%
Stock Based Compensation (Textual) [Abstract]
Restricted stock units granted					50,000	50,000
Restricted stock units, calculated stock price								$ 11.00
Restricted stock vested during the period						35,000	0
Restricted stock forfeited during the period							0
Restricted stock awards granted							0

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Period consider for calculation of average stock price performance prior awards vesting.

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Share based compensation arrangement by share based payment award equity instruments other than options non vested grant date fair value.

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Share​ based​ compensation​ arrangement ​by share ​based ​payment​ award​ restricted stock award granted during period.

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Represents the compensation cost capitalized during the period arising from equity-based compensation arrangements (for example, shares of stock, units, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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-Name Accounting Standards Codification

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Amount of a stock repurchase plan authorized by an entity's Board of Directors.

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Amount remaining of a stock repurchase plan authorized by an entity's Board of Directors.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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