Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Apr. 01, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net (loss) income	$ (2,752)us-gaap_NetIncomeLoss	$ 1,424us-gaap_NetIncomeLoss
Shares:
Basic weighted average shares outstanding (in shares)	29,843,204	29,606,321
Dilutive stock options and warrants (in shares)	0	1,453,003
Diluted weighted average number of shares outstanding (in shares)	29,843,204	31,059,324
Earnings per share:
Basic EPS (USD per share)	$ (0.09)us-gaap_EarningsPerShareBasic	$ 0.05us-gaap_EarningsPerShareBasic
Diluted EPS (USD per share)	$ (0.09)us-gaap_EarningsPerShareDiluted	$ 0.05us-gaap_EarningsPerShareDiluted
Antidilutive securities excluded from computation of earnings per share	3,225,078	17,000
Warrant [Member]
Earnings per share:
Antidilutive securities excluded from computation of earnings per share	18,000

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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