Condensed Statements of Operations (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Statements of Operations [Abstract]
NET SALES	$ 4,587,431	$ 4,248,055	$ 8,240,531	$ 7,932,632
COST OF GOODS SOLD	2,733,442	2,418,296	4,919,698	4,619,078
GROSS PROFIT	1,853,989	1,829,759	3,320,833	3,313,554
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	1,267,697	1,122,475	2,611,336	2,322,864
RESEARCH AND DEVELOPMENT EXPENSES	137,488	204,498	237,399	365,202
INCOME FROM OPERATIONS	448,804	502,786	472,098	625,488
INTEREST INCOME	4,781	3,886	9,343	7,405
INCOME BEFORE INCOME TAXES	453,585	506,672	481,441	632,893
INCOME TAX EXPENSE	144,039	163,400	134,553	141,280
NET INCOME	$ 309,546	$ 343,272	$ 346,888	$ 491,613
Earnings Per Common Share (EPS) [Abstract]
Basic	$ 0.16	$ 0.17	$ 0.18	$ 0.25
Diluted	$ 0.16	$ 0.17	$ 0.17	$ 0.25
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING :
Basic	1,982,869	1,972,447	1,979,714	1,969,767
Diluted	1,987,662	1,974,158	1,984,040	1,970,587