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5. PER SHARE INFORMATION (Detail) - Reconciliation of Diluted Shares
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Weighted average        
shares outstanding 7,503,568 7,489,995 7,503,469 7,485,529
Dilutive stock options       721
Dilutive weighted average        
shares outstanding 7,503,568 7,489,995 7,503,469 7,486,250
Anti-dilutive stock options/weighted        
average shares outstanding 10,000 135,370 11,204 139,689