Share-Based Compensation (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Share-Based Compensation (Textual) [Abstract]
Compensation expenses in stock compensation plans	$ 121,189	$ 95,528	$ 360,915	$ 165,014
Income tax benefit of stock compensation plans	42,416	32,480	126,320	56,105
Unrecognized compensation cost related to nonvested share-based compensation	568,748		568,748
Weighted average period of unrecognized compensation cost			7 years 3 months 18 days
Implied dividends	22,714	2,200,000	40,726	2,300,000
Cash from stock option exercise	187,025	0	1,000,000	0
Tax benefit for tax deductions from option exercise	$ 10,475	$ 0	$ 49,517	$ 0