NET INCOME PER SHARE (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
NET INCOME PER SHARE [Abstract]
Net income	$ 52,443	$ 513,186
Weighted average common shares outstanding - basic (in shares)	10,722,323	10,627,676
Potential shares exercisable under stock option plans (in shares)	256,947	326,463
LESS: Shares which could be repurchased under treasury stock method (in shares)	(198,759)	(162,983)
Weighted average common shares outstanding - diluted (in shares)	10,780,511	10,791,156
Net income per share [Abstract]
Basic (in dollars per share)	$ 0	$ 0.05
Diluted (in dollars per share)	$ 0	$ 0.05
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	130,338	147,713