Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Property, Plant and Equipment, Estimated Useful Lives

	Years
Computer hardware and office equipment	3	-	5
Computer software	3	-	10
Autos & light trucks	5	-	7
Furniture, fixtures & trailers	7	-	10
Composite mats	7	-	12
Machinery and heavy equipment	5	-	15
Owned buildings	20	-	39
Leasehold improvements	Lease term, including reasonably assured renewal periods