Note 4 - Property, Equipment and Leasehold Improvements (Detail) - Property, Equipment and Leasehold Improvements (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2011	Dec. 31, 2010
Property, plant, and equipment	$ 13,651	$ 7,412
Less accumulated depreciation	4,733	2,542
Total	8,918	4,870
Building [Member]
Estimated useful lives	15 years
Property, plant, and equipment	600
Computer and Office Equipment [Member]
Estimated useful lives	3 years
Property, plant, and equipment	10,742	5,738
Furniture and Fixtures [Member]
Estimated useful lives	3 - 5 years
Property, plant, and equipment	1,682	1,379
Leasehold Improvements [Member]
Estimated useful lives	Lease term
Property, plant, and equipment	$ 627	$ 295

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, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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