Note 9 - Restructuring (Detail) (USD $)	3 Months Ended	6 Months Ended	12 Months Ended
Mar. 31, 2012	Jun. 30, 2012	Dec. 31, 2011
Restructuring and Related Cost, Number of Positions Eliminated		946
Restructuring Charges	$ 59,000	$ 53,800,000	$ 594,000
Other Restructuring Costs		$ 100,000	$ 400,000

The charge against earnings in the period, comprised of costs associated with restructuring activities not otherwise specified in the taxonomy pursuant to a duly authorized plan, excluding a discontinued operation as defined by generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, but excludes costs associated with the retirement of a long-lived asset and severance costs associated with established compensation plans.

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Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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