|
Pension Plan - Summary of Components of Net Periodic Pension Cost (Benefit) (Detail) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Compensation And Retirement Disclosure [Abstract] | |||
| Service Cost | $ 87,496 | $ 94,374 | $ 298,378 |
| Interest Cost | 385,884 | 406,689 | 455,732 |
| Actual Return on Plan Assets | (1,310,053) | (932,366) | (396,687) |
| Amortization of Unrecognized Transition Loss (Gain) from Earlier Periods | 91,111 | 69,699 | (7,487) |
| Amortization of Unrecognized Prior Service Cost | 21,218 | ||
| Amortization of Net Gain (Loss) from Earlier Periods | 736,025 | 390,400 | (129,257) |
| Net Periodic Pension Cost (Benefit) | $ (9,537) | $ 28,796 | $ 241,897 |