CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED) (USD $)	Common Stock [Member]	Retained Earnings [Member]	Total
BALANCES at Dec. 31, 2012	$ 329,236	$ 6,642,733	$ 6,971,969
BALANCES (in shares) at Dec. 31, 2012	1,842,402		1,842,402
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock options exercised	43,000	0	43,000
Common Stock options exercised (in shares)	9,196
Tax expense of Common Stock options exercised	(31,852)	0	(31,852)
Dividends declared on Common Stock	0	(406,210)	(406,210)
Stock-based compensation expense	131,008	0	131,008
Net income	0	241,314	241,314
BALANCES at Mar. 31, 2013	$ 471,392	$ 6,477,837	$ 6,949,229
BALANCES (in shares) at Mar. 31, 2013	1,851,598		1,851,598