Note 11 - Discontinued Operations (Detail) - Operating Results for Discontinued Operations (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2010	Dec. 31, 2009
Revenues	$ 140	$ (4,604)
Gross profit (loss)	95	(3,798)
Operating expenses	266	2,234
Operating loss	(171)	(6,032)
Loss before tax benefits	(166)	(5,813)
Tax benefits	66	1,743
Net loss	$ (100)	$ (4,070)

Pretax 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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