Stockholders' Equity and Stock-Based Compensation (Details) (USD $)	0 Months Ended	12 Months Ended			0 Months Ended	12 Months Ended	0 Months Ended						12 Months Ended
	Mar. 05, 2013	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011	May 18, 2011 Director Restricted Stock Plan [Member]	Dec. 28, 2013 Director Restricted Stock Plan [Member]	Aug. 05, 2013 Stock Awards [Member]	Mar. 05, 2013 Stock Awards [Member]	Sep. 01, 2012 Stock Awards [Member]	May 08, 2012 Stock Awards [Member]	Mar. 06, 2012 Stock Awards [Member]	Aug. 29, 2011 Stock Awards [Member]	Dec. 28, 2013 Stock Awards [Member]
Summary of stock option activity [Roll Forward]
Options outstanding at the beginning of year		722,617
Options outstanding at the beginning of year, Weighted-average exercise price per share		$ 8.07
Granted (in shares)		195,634
Granted, Weighted-average exercise price per share	$ 16.53
Exercised (in shares)		(12,000)
Exercised, Weighted-average exercise price per share		$ 2.67
Forfeited (in shares)		0
Forfeited, Weighted-average exercise price per share		$ 0.00
Expired (in shares)		0
Expired, Weighted average exercise price per share		$ 0.00
Options outstanding at the end of year		906,251	722,617
Options outstanding at the end of year, Weighted-average exercise price per share		$ 9.97	$ 8.07
Options outstanding, Weighted-average remaining contractual life (in years)		5 years
Options exercisable (in shares)		673,617
Options exercisable, Weighted-average exercise price per share		$ 7.71
Options exercisable, Weighted-average remaining contractual life (in years)		3 years 8 months 12 days
Fair value assumptions [Abstract]
Expected dividend yield		0.00%	0.00%	0.00%
Risk-free interest rate		1.01%	1.14%	2.53%
Expected term		5 years 9 months	5 years 9 months	5 years 9 months
Expected volatility		59.80%	62.00%	61.10%
Fair value of options granted		$ 9.04	$ 9.16	$ 8.26
Summary of non-vested and restricted stock awards [Roll Forward]
Stock awards outstanding at the beginning of year (in shares)						108,458							836,024
Stock awards outstanding at the beginning of year, Weighted Average Grant Date Fair Value (in dollars per share)						$ 9.59							$ 12.26
Shares granted					4,652	21,780	24,000	495,575	50,000	5,000	375,041	10,878	519,575
Shares granted, Weighted Average Grant Date Fair Value (in dollars per share)						$ 16.53							$ 16.89
Restricted shares where the restriction lapsed						0
Restrictions Lapsed, Weighted Average Grant Date Fair Value (in dollars per share)						$ 0.00
Shares vested							(8,000)	(123,894)	(25,000)	(1,250)	(93,761)	(2,720)	(527,725)
Shares vested, Weighted Average Grant Date Fair Value (in dollars per share)													$ 12.73
Shares forfeited						0							(6,667)
Shares forfeited, Weighted Average Grant Date Fair Value (in dollars per share)						$ 0.00							$ 7.36
Stock awards outstanding at the end of year (in shares)						130,238							821,207
Stock awards outstanding at the end of year, Weighted Average Grant Date Fair Value (in dollars per share)						$ 10.75							$ 14.93