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Note 3 - Supplemental Balance Sheet Information (Detail) - Major classes of property, plant and equipment (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Land	$ 123	$ 123
Buildings and Leasehold Improvements	7,381	7,000
Machinery and Equipment	46,606	44,770
Furniture and Fixtures	1,810	1,894
Computer Hardware and Software	4,103	3,815
Construction in Progress	1,275	641
	61,298	58,243
Less: Accumulated Depreciation	48,883	45,655
	$ 12,415	$ 12,588

X

- Definition

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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- Definition

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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