Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Earnings per common share (Detail)

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Note 7 - Earnings per common share (Detail) (USD $)
3 Months Ended
Mar. 31, 2013
Apr. 01, 2012
Treasury Stock Method, Dilutive Options Average Share Price Used (in Dollars per share) $ 2.48 $ 3.16
Stock Options [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 927,000 590,600