Net Income per Share (Details)	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Reconciliation of basic to diluted weighted average shares of common stock outstanding
Basic weighted average shares outstanding	9,919,000	10,100,000	9,974,000	10,085,000
Common stock equivalents:
Stock options and restricted shares (in shares)	107,000	88,000	93,000	89,000
Diluted weighted average shares outstanding	10,026,000	10,188,000	10,067,000	10,174,000
Calculation of common stock equivalents for purposes of computing diluted weighted average shares outstanding
Anti-dilutive securities excluded from EPS computation (in shares)	888,746	1,065,240	1,088,180	1,103,932