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Note 2 - Acquisition (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
0 Months Ended 9 Months Ended
Jan. 07, 2011
Sep. 30, 2012
Sep. 16, 2011
Aug. 01, 2011
Business Acquisition, Cost of Acquired Entity, Cash Paid $ 750 $ 750 $ 8,250 $ 1,740
Business Acquisition, Purchase Price Allocation, Goodwill Amount   129    
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares) 222,222      
Business Acquisition, Equity Interest Issued or Issuable, Basis for Determining Value $1.80      
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Options Issued (in Shares) 250,000      
Fair Value Options (in Dollars per share) $ 0.7936      
Business Acquisition, Pro Forma Information, Description   $5    
KWKLY [Member]
       
Business Acquisition, Purchase Price Allocation, Goodwill Amount   $ 778