CONDENSED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
CONDENSED STATEMENTS OF OPERATIONS
NET SALES	$ 4,607,501	$ 4,542,730	$ 12,817,289	$ 12,794,167
COST OF GOODS SOLD	2,940,027	2,925,062	8,330,930	8,436,082
GROSS PROFIT	1,667,474	1,617,668	4,486,359	4,358,085
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	1,357,605	1,270,466	4,121,891	3,938,584
RESEARCH AND DEVELOPMENT EXPENSES	150,176	157,814	475,165	506,197
INCOME (LOSS) FROM OPERATIONS	159,693	189,388	(110,697)	(86,696)
INTEREST EXPENSE	(21,721)		(36,720)
OTHER	4,519	825	6,681	4,031
INCOME (LOSS) BEFORE INCOME TAXES	142,491	190,213	(140,736)	(82,665)
INCOME TAX EXPENSE (BENEFIT)	60,225	73,457	(69,415)	1,802
NET INCOME (LOSS)	$ 82,266	$ 116,756	$ (71,321)	$ (84,467)
INCOME (LOSS) PER COMMON SHARE:
Basic (in dollars per share)	$ 0.04	$ 0.06	$ (0.04)	$ (0.04)
Diluted (in dollars per share)	$ 0.04	$ 0.06	$ (0.04)	$ (0.04)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	2,018,753	2,018,253	2,018,614	2,018,253
Diluted (in shares)	2,018,842	2,018,574	2,018,614	2,018,253