Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Oct. 01, 2013	Sep. 30, 2014	Oct. 01, 2013
Earnings Per Share [Abstract]
Net income	$ 2,943	$ 3,265	$ 7,894	$ 4,257
Shares:
Basic weighted average shares outstanding (in shares)	29,757,820	29,399,650	29,689,342	25,382,805
Dilutive stock options and warrants (in shares)	1,136,084	1,663,563	1,353,101	1,145,199
Diluted weighted average number of shares outstanding (in shares)	30,893,904	31,063,213	31,042,443	26,528,004
Earnings per share:
Basic EPS (USD per share)	$ 0.10	$ 0.11	$ 0.27	$ 0.17
Diluted EPS (USD per share)	$ 0.10	$ 0.11	$ 0.25	$ 0.16
Antidilutive securities excluded from computation of earnings per share	267,196	0	243,552	488,018