Note 7 - Earnings (loss) per common share (Details) - Common shares outstanding for basic and diluted earnings per share
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3 Months Ended | 9 Months Ended | |||||||||||
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Sep. 29, 2013
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Sep. 30, 2012
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Sep. 29, 2013
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Sep. 29, 2013
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Sep. 30, 2012
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Common shares outstanding for basic and diluted earnings per share [Abstract] | |||||||||||||
Basic weighted average shares outstanding | 16,360,860 | 16,319,255 | 16,350,359 | 16,350,359 | 16,283,803 | ||||||||
Dilutive stock options(a) (b) | 29,518 | [1],[2] | 124,798 | [1],[2] | [1],[2] | 135,469 | [1],[2] | ||||||
Diluted weighted average shares outstanding | 16,390,378 | 16,444,053 | 16,350,359 | 16,350,359 | 16,419,272 | ||||||||
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