CONDENSED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
CONDENSED STATEMENTS OF OPERATIONS
NET SALES	$ 4,196,578	$ 4,653,548	$ 8,209,788	$ 8,251,437
COST OF GOODS SOLD	2,674,367	3,013,806	5,390,903	5,511,020
GROSS PROFIT	1,522,211	1,639,742	2,818,885	2,740,417
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	1,325,170	1,252,521	2,764,286	2,668,118
RESEARCH AND DEVELOPMENT EXPENSES	147,125	192,539	324,989	348,383
INCOME (LOSS) FROM OPERATIONS	49,916	194,682	(270,390)	(276,084)
INTEREST EXPENSE	(14,999)		(14,999)
OTHER	2,048	1,510	2,162	3,206
INCOME (LOSS) BEFORE INCOME TAXES	36,965	196,192	(283,227)	(272,878)
INCOME TAX EXPENSE (BENEFIT)	(2,260)	168,468	(129,640)	(71,655)
NET INCOME (LOSS)	$ 39,225	$ 27,724	$ (153,587)	$ (201,223)
INCOME (LOSS) PER COMMON SHARE:
Basic (in dollars per share)	$ 0.02	$ 0.01	$ (0.08)	$ (0.10)
Diluted (in dollars per share)	$ 0.02	$ 0.01	$ (0.08)	$ (0.10)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	2,018,753	2,018,253	2,018,544	2,018,253
Diluted (in shares)	2,018,833	2,018,792	2,018,544	2,018,253