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Note 4 - Business Combination (Detail) (USD $)
 1 Months Ended 12 Months Ended
Nov. 19, 2010
Oct. 01, 2011
Business Acquisition, Cost of Acquired Entity, Purchase Price $ 51,100,000  
Business Acquisition, Cost of Acquired Entity, Cash Paid 37,600,000  
Business Acquisition, Cost of Acquired Entity, Liabilities Incurred 13,500,000  
Business Acquisition Post Closing Price Fair Value Adjustment 780,000  
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net 50,308,000  
Business Combination, Bargain Purchase, Gain Recognized, Amount 500,000 500,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual   $ 83,400,000
Business Combination, Pro Forma Information, Disclosure Impracticable   The Company has determined that the presentation of Ivy's earnings for the year ended October 1, 2011 is impractical due to the integration of Ivy's operations into the Company following the Ivy Acquisition