CONDENSED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
CONDENSED STATEMENTS OF OPERATIONS
NET SALES	$ 4,542,730	$ 4,478,014	$ 12,794,167	$ 13,867,337
COST OF GOODS SOLD	2,925,062	2,850,049	8,436,082	8,769,347
GROSS PROFIT	1,617,668	1,627,965	4,358,085	5,097,990
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	1,270,466	1,282,161	3,938,584	3,823,224
RESEARCH AND DEVELOPMENT EXPENSES	157,814	169,145	506,197	489,954
INCOME (LOSS) FROM OPERATIONS	189,388	176,659	(86,696)	784,812
OTHER	825	103	4,031	3,613
INCOME (LOSS) BEFORE INCOME TAXES	190,213	176,762	(82,665)	788,425
INCOME TAX EXPENSE	73,457	37,791	1,802	246,107
NET INCOME (LOSS)	$ 116,756	$ 138,971	$ (84,467)	$ 542,318
EARNINGS (LOSS) PER COMMON SHARE:
Basic (in dollars per share)	$ 0.06	$ 0.07	$ (0.04)	$ 0.27
Diluted (in dollars per share)	$ 0.06	$ 0.07	$ (0.04)	$ 0.27
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	2,018,253	2,018,412	2,018,253	2,016,789
Diluted (in shares)	2,018,574	2,019,806	2,018,253	2,018,237