3. Earnings per Common Share (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Notes to Financial Statements
Net income, as reported	$ 1,238,344	$ 1,021,192	$ 2,280,122	$ 1,986,042
Less: dividends to preferred shareholders	20,312	46,875	40,625	93,750
Net income available to common shareholders	$ 1,218,032	$ 974,317	$ 2,239,497	$ 1,892,292
Weighted average number of common shares used in calculating earnings per share	4,831,307	4,760,169	4,823,988	4,748,013
Earnings per common share	$ 0.25	$ 0.20	$ 0.46	$ 0.40