Stock-Based Compensation (Details) (USD $)	6 Months Ended
Jul. 01, 2012
Stock options outstanding
Outstanding Shares, Beginning Balance	592,000
Outstanding Weighted Average Exercise Price, Beginning Balance	$ 9.12
Granted Shares
Granted Weighted Average Exercise Price
Exercised Shares	23,500
Exercised Weighted Average Exercise Price	$ 5.59
Forfeited or canceled Shares	34,000
Forfeited or canceled Weighted Average Exercise Price	$ 11.72
Outstanding Shares, Closing Balance	535,000
Outstanding Weighted Average Exercise Price, Closing Balance	$ 8.85
Exercisable Shares	419,200
Exercisable Shares, Weighted Average Exercise Price	$ 7.80

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Gross number of share options (or share units) granted during the period.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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