Net Income (Loss) Per Share (Details)	3 Months Ended								12 Months Ended
	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Reconciliation of basic to diluted weighted average shares of common stock outstanding
Basic weighted average shares outstanding	10,071,000	10,093,000	10,100,000	9,994,000	10,027,000	10,084,000	10,242,000	10,316,000	10,084,000	10,167,000	10,555,000
Common stock equivalents:
Stock options and restricted stock (in shares)									89,000	0	184,000
Diluted weighted average shares outstanding	10,148,000	10,192,000	10,188,000	10,084,000	10,027,000	10,084,000	10,381,000	10,493,000	10,173,000	10,167,000	10,739,000
Calculation of common stock equivalents for purposes of computing diluted weighted average shares outstanding
Anti-dilutive securities excluded from EPS computation (in shares)									1,138,411	1,947,992	1,045,351
Additional anti-dilutive shares										140,000