Note 2 - Significant Accounting Policies (Details) - Earnings Per Share (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Earnings Per Share [Abstract]
Net income (in Dollars)	$ 2,458,462	$ 1,628,562	$ 1,765,485	$ 1,854,412	$ 2,488,211	$ 1,561,832	$ 1,629,353	$ 1,586,321	$ 7,706,921	$ 7,265,717	$ 5,596,070
Weighted average common shares outstanding	10,210,933	10,203,711	10,198,733	10,198,733	10,198,733	10,176,744	10,167,649	10,162,442	10,203,063	10,176,492	10,157,395
Earnings per share – basic (in Dollars per share)	$ 0.24	$ 0.16	$ 0.17	$ 0.18	$ 0.24	$ 0.15	$ 0.16	$ 0.16	$ 0.76	$ 0.71	$ 0.55
DILUTED
Effect of restricted stock awards and assumed exercise of stock options									38,058	39,946	17,951
Weighted average common shares outstanding, assuming dilution	10,244,127	10,241,410	10,239,823	10,239,505	10,233,009	10,221,512	10,216,535	10,194,219	10,241,121	10,216,438	10,175,346
Earnings per share - diluted (in Dollars per share)	$ 0.24	$ 0.16	$ 0.17	$ 0.18	$ 0.24	$ 0.15	$ 0.16	$ 0.16	$ 0.75	$ 0.71	$ 0.55
Outstanding options and restricted stock awards excluded as anti-dilutive									0	0	0