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Note 11 - Commitments and Contingencies (Detail) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2012
JMP Dispute [Member]
 
Loss Contingency, Range of Possible Loss, Minimum $ 0.8
Loss Contingency, Range of Possible Loss, Maximum 2.3
Charles Cheng Fee Dispute [Member]
 
Loss Contingency, Range of Possible Loss, Maximum $ 1.7