Subsequent Event	6 Months Ended
Jul. 02, 2016
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event On July 29, 2016, Cartesian Limited, a U.K. subsidiary of Cartesian, Inc., entered into an Invoice Discounting Agreement, a Debenture (security agreement) and certain related agreements (collectively, the "Agreement") with RBS Invoice Finance Limited ("RBS"). Pursuant to the terms of the Agreement, Cartesian Limited may assign to RBS certain eligible accounts receivable of Cartesian Limited (such purchased accounts, the "Purchased Accounts"). The Agreement has a maximum funding level of £3,000,000. At the time of the purchase of a Purchased Account, RBS will make an initial payment to Cartesian Limited of no more than 50% of the Purchased Account. Upon collection of a Purchased Account, RBS will pay to Cartesian Limited the amount of the Purchased Account, less the initial payment and a discounting charge. The discounting charge is computed on a daily basis until the amount of the Purchased Account is paid to RBS, and equals the amount of the Purchased Account multiplied by the sum of the National Westminster Bank Plc base rate then in effect plus 1.75% divided by 365. The Agreement also includes a fixed fee service charge of £833 per month. The Agreement has a loan concentration limit regarding the obligors on Purchased Accounts. Cartesian Limited's obligations under the Agreement are secured by certain assets of Cartesian Limited, including all equipment and intellectual property of Cartesian Limited, all stock of subsidiaries held by Cartesian Limited and certain accounts receivable of Cartesian Limited. Under the Agreement, Cartesian Limited's net worth, as measured by issued share capital and retained earnings, less all intangible assets, may not fall below £7,500,000 in any 12 month period. RBS may require Cartesian Limited to repurchase Purchased Accounts upon a number of specified events, including if Cartesian Limited breaches or defaults on any of its obligations under the Agreement or if Cartesian Limited fails to meet the net worth requirement. Cartesian Limited is in compliance with those obligations and meets the net worth requirement. The Agreement has an initial term of 12 months and continues after the initial term until terminated by either Cartesian Limited or RBS. Cartesian Limited may terminate the Agreement at any time during the initial term upon approval of RBS or upon six months' notice of intent to terminate. RBS may terminate the Agreement upon certain other events or conditions included in the Agreement.

Subsequent Event

On July 29, 2016, Cartesian Limited, a U.K. subsidiary of Cartesian, Inc., entered into an Invoice Discounting Agreement, a Debenture (security agreement) and certain related agreements (collectively, the "Agreement") with RBS Invoice Finance Limited ("RBS"). Pursuant to the terms of the Agreement, Cartesian Limited may assign to RBS certain eligible accounts receivable of Cartesian Limited (such purchased accounts, the "Purchased Accounts").

The Agreement has a maximum funding level of £3,000,000. At the time of the purchase of a Purchased Account, RBS will make an initial payment to Cartesian Limited of no more than 50% of the Purchased Account. Upon collection of a Purchased Account, RBS will pay to Cartesian Limited the amount of the Purchased Account, less the initial payment and a discounting charge. The discounting charge is computed on a daily basis until the amount of the Purchased Account is paid to RBS, and equals the amount of the Purchased Account multiplied by the sum of the National Westminster Bank Plc base rate then in effect plus 1.75% divided by 365. The Agreement also includes a fixed fee service charge of £833 per month. The Agreement has a loan concentration limit regarding the obligors on Purchased Accounts.

Cartesian Limited's obligations under the Agreement are secured by certain assets of Cartesian Limited, including all equipment and intellectual property of Cartesian Limited, all stock of subsidiaries held by Cartesian Limited and certain accounts receivable of Cartesian Limited. Under the Agreement, Cartesian Limited's net worth, as measured by issued share capital and retained earnings, less all intangible assets, may not fall below £7,500,000 in any 12 month period.

RBS may require Cartesian Limited to repurchase Purchased Accounts upon a number of specified events, including if Cartesian Limited breaches or defaults on any of its obligations under the Agreement or if Cartesian Limited fails to meet the net worth requirement. Cartesian Limited is in compliance with those obligations and meets the net worth requirement.

The Agreement has an initial term of 12 months and continues after the initial term until terminated by either Cartesian Limited or RBS. Cartesian Limited may terminate the Agreement at any time during the initial term upon approval of RBS or upon six months' notice of intent to terminate. RBS may terminate the Agreement upon certain other events or conditions included in the Agreement.