Income Taxes	6 Months Ended
Jun. 28, 2015
Income Tax Disclosure [Abstract]
Income taxes	Income Taxes In the second quarters of 2015 and 2014, the Company recorded net income tax expense of $21,000 and a net income tax benefit of $44,000, respectively. For the six months ended June 28, 2015 and June 29, 2014, the Company recorded net income tax expense of $61,000 and a net income tax benefit of $24,000, respectively. The income tax expense for the second quarter of 2015 relates to income taxes from the Company's foreign operations, which are cost-plus entities. The income tax benefit for the second quarter of 2014 includes the net effect of the following: (i) income taxes from its foreign operations which are cost-plus entities; and (ii) the release of an unrecognized tax benefit in the period. Based on the available objective evidence, management believes it is more likely than not that the Company's net deferred tax assets will not be fully realizable. Accordingly, with the exception of its foreign subsidiaries, the Company has provided a full valuation allowance against the associated deferred tax assets. The Company will continue to assess the realizability of the deferred tax assets in future periods. The Company had approximately $52,000 and $51,000 of unrecognized tax benefits at June 28, 2015 and December 28, 2014, respectively, which will result in a change in the Company's effective tax rate if recognized in future years. The Company recognizes interest and penalties related to uncertain tax positions in income tax expense. For the six month period ended June 28, 2015, the Company accrued $3,000 of interest and penalties. As of June 28, 2015, the Company had approximately $27,000 of accrued interest and penalties related to uncertain tax positions. Included in the balance of unrecognized tax benefits at June 28, 2015 is $17,000 related to tax positions, interest, and penalties for which it is reasonably possible that the statute of limitations will expire in various jurisdictions within the next twelve months. The Company is subject to U.S. federal income tax as well as income taxes in many U.S. states and foreign jurisdictions in which the Company operates. As of December 28, 2014, fiscal years 2010 onward remain open to examination by the U.S. taxing authorities and fiscal years 2006 onward remain open to examination in Canada. The U.S. federal and U.S. state taxing authorities may choose to audit tax returns for tax years beyond the statute of limitation period due to significant tax attribute carryforwards from prior years, making adjustments only to carryforward attributes.

Income Taxes

In the second quarters of 2015 and 2014, the Company recorded net income tax expense of $21,000 and a net income tax benefit of $44,000, respectively. For the six months ended June 28, 2015 and June 29, 2014, the Company recorded net income tax expense of $61,000 and a net income tax benefit of $24,000, respectively. The income tax expense for the second quarter of 2015 relates to income taxes from the Company's foreign operations, which are cost-plus entities. The income tax benefit for the second quarter of 2014 includes the net effect of the following: (i) income taxes from its foreign operations which are cost-plus entities; and (ii) the release of an unrecognized tax benefit in the period.

Based on the available objective evidence, management believes it is more likely than not that the Company's net deferred tax assets will not be fully realizable. Accordingly, with the exception of its foreign subsidiaries, the Company has provided a full valuation allowance against the associated deferred tax assets. The Company will continue to assess the realizability of the deferred tax assets in future periods.

The Company had approximately $52,000 and $51,000 of unrecognized tax benefits at June 28, 2015 and December 28, 2014, respectively, which will result in a change in the Company's effective tax rate if recognized in future years. The Company recognizes interest and penalties related to uncertain tax positions in income tax expense. For the six month period ended June 28, 2015, the Company accrued $3,000 of interest and penalties. As of June 28, 2015, the Company had approximately $27,000 of accrued interest and penalties related to uncertain tax positions.

Included in the balance of unrecognized tax benefits at June 28, 2015 is $17,000 related to tax positions, interest, and penalties for which it is reasonably possible that the statute of limitations will expire in various jurisdictions within the next twelve months.

The Company is subject to U.S. federal income tax as well as income taxes in many U.S. states and foreign jurisdictions in which the Company operates. As of December 28, 2014, fiscal years 2010 onward remain open to examination by the U.S. taxing authorities and fiscal years 2006 onward remain open to examination in Canada. The U.S. federal and U.S. state taxing authorities may choose to audit tax returns for tax years beyond the statute of limitation period due to significant tax attribute carryforwards from prior years, making adjustments only to carryforward attributes.