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Note 4 - Stock-based Compensation (Detail) - Restricted Stock and Stock Options
9 Months Ended
Sep. 29, 2012
Restricted Stock [Member]
 
Outstanding, December 31, 2011 1,438,131
Granted 278,180
Vested (804,565)
Exercised 0
Forfeited (64,598)
Canceled or expired 0
Outstanding, September 29, 2012 847,148
Stock Options [Member]
 
Outstanding, December 31, 2011 1,210,816
Granted 228
Vested 0
Exercised 0
Forfeited (44,694)
Canceled or expired 0
Outstanding, September 29, 2012 1,166,350