Note 11 - Discontinued Operations (Tables)

12 Months Ended

Dec. 31, 2011

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]

	2010			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	)

Schedule of Other Assets [Table Text Block]

	2010
Receivables, retainage, costs and estimated earnings in excess of billings and other current assets.	$	1,193
Property, plant and equipment, less accumulated depreciation		1,283
Deferred income tax assets		1,324
Total assets	$	3,800