The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Dec. 31, 2012
Property and Equipment
Accumulated depreciation	$ (410)		$ (398)
Property and equipment, net	447		457
Depreciation expense	12	28
Furniture and fixtures
Property and Equipment
Gross amount	58		56
Machinery, equipment and tooling
Property and Equipment
Gross amount	505		505
Computers and software
Property and Equipment
Gross amount	204		204
Leasehold improvements
Property and Equipment
Gross amount	$ 90		$ 90