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
EARNINGS PER SHARE [Abstract]
Net income (loss) for diluted computation	$ 1,100,956	$ 471,047	$ 666,682	$ 742,390	$ 71,326	$ 268,836	$ 2,569,341	$ 3,691,123	$ 2,981,075	$ 6,601,626	$ (1,508,540)
Weighted average shares [Abstract]
Basic (in shares)									6,351,245	6,340,648	6,261,214
Effect of dilutive securities [Abstract]
Stock options (in shares)									630,282	611,738	0
Diluted (in shares)									6,981,527	6,952,386	6,261,214
Net income (loss) Per Share [Abstract]
Basic (in dollars per share)	$ 0.17	$ 0.07	$ 0.11	$ 0.12	$ 0.01	$ 0.04	$ 0.40	$ 0.59	$ 0.47	$ 1.04	$ (0.24)
Diluted (in dollars per share)	$ 0.16	$ 0.07	$ 0.10	$ 0.11	$ 0.01	$ 0.04	$ 0.36	$ 0.51	$ 0.43	$ 0.95	$ (0.24)
Potential common shares were excluded from diluted loss per share calculation (in shares)											912,001