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Note 13 - Stock Plans (Detail) - Restricted Stock Award (2003 Restricted Stock Award [Member], USD $)
8 Months Ended 12 Months Ended
Aug. 31, 2009
Dec. 31, 2011
2003 Restricted Stock Award [Member]
   
Number of Shares   2,000
Weighted-Average Grant Date Fair Value (in Dollars per share)   $ 27.66 [1]
Granted 100,000 0
Granted (in Dollars per share)   $ 0
Forfeited   (2,000)
Forfeited (in Dollars per share)   $ 27.66 [1]
Vested   0
Vested (in Dollars per share)   $ 0
Number of Shares   0
Weighted-Average Grant Date Fair Value (in Dollars per share)   $ 0
[1] The shares were valued at the average of the high and low trading price of the Company's common stock on the date of the award.