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Note 6 - Contracts in Progress (Detail) - Summary of Costs and Estimated Earnings on Contracts in Progress (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Costs incurred on uncompleted contracts	$ 6,772	$ 3,193
Estimated earnings	1,729	855
Total revenues	8,501	4,048
Less: billings to date	8,940	4,031
Total	(439)	17
Balance sheet classification:
Costs in excess of billings on uncompleted contracts	66	171
Billings in excess of costs on uncompleted contracts	(505)	(154)
Total	$ (439)	$ 17

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Costs incurred and are directly related to generating contract revenues.

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