Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
Dec. 30, 2014	Sep. 30, 2014	Jul. 01, 2014	Apr. 01, 2014	Dec. 31, 2013	Oct. 01, 2013	Jul. 02, 2013	Apr. 02, 2013	Dec. 30, 2014	Dec. 31, 2013	Jan. 01, 2013
Earnings Per Share [Abstract]
Net income	$ 3,535us-gaap_NetIncomeLoss	$ 2,943us-gaap_NetIncomeLoss	$ 3,527us-gaap_NetIncomeLoss	$ 1,424us-gaap_NetIncomeLoss	$ 2,407us-gaap_NetIncomeLoss	$ 3,265us-gaap_NetIncomeLoss	$ 68us-gaap_NetIncomeLoss	$ 924us-gaap_NetIncomeLoss	$ 11,428us-gaap_NetIncomeLoss	$ 6,665us-gaap_NetIncomeLoss	$ 5,163us-gaap_NetIncomeLoss
Shares:
Basic weighted average shares outstanding (in shares)									29,717,304	26,406,904	23,238,984
Dilutive stock options and warrants (in shares)									1,283,795	1,281,725	26,558
Diluted weighted average number of shares outstanding (in shares)									31,001,099	27,688,629	23,265,542
Earnings per share:
Basic EPS (USD per share)	$ 0.12us-gaap_EarningsPerShareBasic	$ 0.10us-gaap_EarningsPerShareBasic	$ 0.12us-gaap_EarningsPerShareBasic	$ 0.05us-gaap_EarningsPerShareBasic	$ 0.09us-gaap_EarningsPerShareBasic	$ 0.11us-gaap_EarningsPerShareBasic	$ 0.01us-gaap_EarningsPerShareBasic	$ 0.04us-gaap_EarningsPerShareBasic	$ 0.38us-gaap_EarningsPerShareBasic	$ 0.25us-gaap_EarningsPerShareBasic	$ 0.22us-gaap_EarningsPerShareBasic
Diluted EPS (USD per share)	$ 0.11us-gaap_EarningsPerShareDiluted	$ 0.10us-gaap_EarningsPerShareDiluted	$ 0.11us-gaap_EarningsPerShareDiluted	$ 0.05us-gaap_EarningsPerShareDiluted	$ 0.08us-gaap_EarningsPerShareDiluted	$ 0.11us-gaap_EarningsPerShareDiluted	$ 0.01us-gaap_EarningsPerShareDiluted	$ 0.04us-gaap_EarningsPerShareDiluted	$ 0.37us-gaap_EarningsPerShareDiluted	$ 0.24us-gaap_EarningsPerShareDiluted	$ 0.22us-gaap_EarningsPerShareDiluted
Antidilutive securities excluded from computation of earnings per share									248,000	17,000	590,617

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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