Earnings (Loss) Per Common Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
Dec. 31, 2012	Sep. 30, 2012	Jul. 01, 2012	Apr. 01, 2012	Dec. 31, 2011	Oct. 02, 2011	Jul. 03, 2011	Apr. 03, 2011	Dec. 31, 2012	Dec. 31, 2011
Earnings attributable to stockholders:
Income from continuing operations as reported	$ (850)	$ 592	$ 5,014	$ 5,511	$ 1,401	$ 6,082	$ (1,550)	$ 2,502	$ 10,267	$ 8,435
Less distributed and undistributed earnings allocable to restricted award holders									(429)	(399)
Less dividends declared attributable to restricted award holders									(64)	0
Net income from continuing operations allocable to common stockholders									9,774	8,036
Loss from discontinued operations, net of tax	(90)	(6,331)	(576)	(223)	(78)	0	0	(450)	(7,220)	(528)
Net income allocable to common stockholders									$ 2,554	$ 7,508
Basic earnings (loss) per common share attributable to stockholders:
Continuing operations	$ (0.04)	$ 0.03	$ 0.25	$ 0.28	$ 0.07	$ 0.30	$ (0.08)	$ 0.13	$ 0.51	$ 0.43
Discontinued operations	$ (0.01)	$ (0.33)	$ (0.03)	$ (0.01)	$ 0.00	$ 0.00	$ 0.00	$ (0.02)	$ (0.38)	$ (0.03)
Net income	$ (0.05)	$ (0.30)	$ 0.22	$ 0.27	$ 0.07	$ 0.30	$ (0.08)	$ 0.11	$ 0.13	$ 0.40
Diluted earnings (loss) per common share attributable to stockholders:
Continuing operations	$ (0.04)	$ 0.03	$ 0.25	$ 0.28	$ 0.07	$ 0.30	$ (0.08)	$ 0.12	$ 0.50	$ 0.43
Discontinued operations	$ (0.01)	$ (0.32)	$ (0.03)	$ (0.01)	$ 0.00	$ 0.00	$ 0.00	$ (0.02)	$ (0.37)	$ (0.03)
Net income	$ (0.05)	$ (0.29)	$ 0.22	$ 0.27	$ 0.07	$ 0.30	$ (0.08)	$ 0.10	$ 0.13	$ 0.40
Weighted average shares outstanding-basic									19,050	18,823
Weighted average additional shares assuming conversion of potential common shares									365	185
Weighted average shares outstanding-diluted									19,415	19,008

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

+ References

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-Name Accounting Standards Codification

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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