STATEMENTS OF INCOME (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
CONDENSED STATEMENTS OF INCOME
NET SALES	$ 17,491,408	$ 17,312,407
COST OF GOODS SOLD	10,553,553	10,367,563
GROSS PROFIT	6,937,855	6,944,844
SELLING, GENERAL AND ADMINSTRATIVE EXPENSES	5,368,400	5,282,187
RESEARCH AND DEVELOPMENT EXPENSES	649,325	629,776
OPERATING EXPENSES	6,017,725	5,911,963
INCOME FROM OPERATIONS	920,130	1,032,881
INTEREST INCOME	7,043	12,050
INCOME BEFORE INCOME TAXES	927,173	1,044,931
FEDERAL AND STATE INCOME TAXES (Note 2)	245,000	351,000
NET INCOME	$ 682,173	$ 693,931
EARNINGS PER COMMON SHARE:
Basic (in dollars per share)	$ 0.34	$ 0.35
Diluted (in dollars per share)	$ 0.34	$ 0.35
WEIGHTED AVERAGE COMMON SHARES:
Basic (in shares)	2,006,843	1,988,066
Diluted (in shares)	2,010,659	1,990,847