Earnings Per Share (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Notes to Financial Statements
Earnings per share - diluted	$ 0.10	$ 0.14	$ 0.03	$ 0.09	$ 0.12	$ 0.24	$ 0.13	$ 0.21	$ 0.36	$ 0.70	$ 0.44
Earnings per share - basic	$ 0.10	$ 0.14	$ 0.03	$ 0.09	$ 0.12	$ 0.24	$ 0.13	$ 0.21	$ 0.37	$ 0.70	$ 0.44
Net income	$ 550,988	$ 745,595	$ 156,775	$ 500,370	$ 644,190	$ 1,274,652	$ 706,687	$ 1,114,347	$ 1,953,728	$ 3,739,876	$ 2,329,152
Effect of diluted securities									13,637	23,066	38,894
Weighted average shares outstanding - diluted									5,352,978	5,358,590	5,351,578
Weighted average shares outstanding - basic									5,339,341	5,335,524	5,312,684