Note 8 - Subsequent Events (Detail) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended		3 Months Ended
May 02, 2013 Subsequent Event [Member]	Apr. 15, 2013 Subsequent Event [Member]	Mar. 31, 2013 Anticipated Charges [Member]
Percentage of Workforce Reduced		30.00%
Severance Costs (in Dollars)			$ 2.0
Treasury Stock, Shares, Retired (in Shares)	5,867,361

The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

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+ Details