Note 4 - Discontinued Operations (Detail) - The operating results of Metrigraphics classified as discontinued operations are summarized below: (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2010
Product revenue	$ 4,790
Income before provision for income taxes	806
Provision for income taxes	(322)
Income from discontinued operations, net of income taxes	484
Loss on sale of discontinued operations, net of income taxes	(92)
Gain from discontinued operations	$ 392

Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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- Definition

After tax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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- Definition

Tax benefit from provision recognizing a loss for initial, or subsequent, write-down to fair value (less cost to sell) of a of a disposal group that is classified as a component of the entity, which remains unsold as of the reporting date. May include a tax on the (gain) for the recognition of a subsequent increase in fair value (less cost to sell), but not in excess of the cumulative loss previously recognized through write-downs.

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- Definition

Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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