Note 9 - Long-Lived Assets and Goodwill (Detail) - Property and Equipment, Net: (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property and Equipment, Gross	$ 85,761	$ 21,380
Accumulated depreciation	(7,993)	(320)
Property and equipment, net	77,768	21,060
Furniture and fixtures	308	100
Buildings and improvements	6,110
Land	1,068
Leasehold improvements	5,909	5,677
Rigs and Workover Equipment [Member]
Property and Equipment, Gross	42,945	11,750
Other Equipment [Member]
Property and Equipment, Gross	25,440	3,205
Vehicles [Member]
Property and Equipment, Gross	1,639	648
Assets in Progress [Member]
Property and Equipment, Gross	$ 2,342