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Pension Plan - Schedule of Changes in Fair Value of Plan Assets (Detail) (USD $)
1 Months Ended 12 Months Ended
Jan. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Compensation And Retirement Disclosure [Abstract]        
Fair Value of Plan Assets at Beginning of Year $ 8,509,771 $ 8,509,771 $ 7,723,072  
Actual Return on Plan Assets   1,310,053 932,366 396,687
Employer Contribution 84,600 84,600 473,540  
Plan Expenses Paid   (71,585) (84,131)  
Benefits Paid   (572,907) (535,076)  
Fair Value of Plan Assets at End of Year   $ 9,259,932 $ 8,509,771 $ 7,723,072