Note 7 - Long-Lived Assets (Detail) - Property and Equipment, Net (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Property Plant and Equipment Gross	$ 78,946	$ 21,380
Accumulated depreciation	(3,073)	(320)
Property and equipment, net	75,873	21,060
Rigs and Workover Equipment [Member]
Property Plant and Equipment Gross	41,770	11,750
Other Equipment [Member]
Property Plant and Equipment Gross	22,561	3,205
Land and Land Improvements [Member]
Property Plant and Equipment Gross	6,977	5,677
Building [Member]
Property Plant and Equipment Gross	4,930
Vehicles [Member]
Property Plant and Equipment Gross	1,412	648
Furniture and Fixtures [Member]
Property Plant and Equipment Gross	229	100
Assets in Progress [Member]
Property Plant and Equipment Gross	$ 1,067

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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