Consolidated Statements of Income (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
NET SALES	$ 72,720,624	$ 66,102,947	$ 59,892,870
COST OF SALES	26,814,950	25,765,788	23,642,013
Gross Profit	45,905,674	40,337,159	36,250,857
OPERATING EXPENSES	36,761,669	32,630,509	29,615,246
INCOME FROM OPERATIONS	9,144,005	7,706,650	6,635,611
OTHER (INCOME) EXPENSE:
Interest expense	240,934	248,576	265,405
Other, net	(42,574)	(83,428)	(105,540)
Total other expense	198,360	165,148	159,865
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	8,945,645	7,541,502	6,475,746
PROVISION FOR INCOME TAXES	3,349,575	2,787,533	2,317,255
NET INCOME FROM CONTINUING OPERATIONS	5,596,070	4,753,969	4,158,491
INCOME FROM DISCONTINUED OPERATIONS, NET OF TAX		(1,368)	1,766
NET INCOME	$ 5,596,070	$ 4,752,601	$ 4,160,257
NET INCOME FROM CONTINUING OPERATIONS PER COMMON SHARE:
BASIC (in Dollars per share)	$ 0.55	$ 0.47	$ 0.41
DILUTED (in Dollars per share)	$ 0.55	$ 0.47	$ 0.41
INCOME FROM DISCONTINUED OPERATIONS, NET OF TAX PER COMMON SHARE:
BASIC (in Dollars per share)	$ 0.00	$ 0.00	$ 0.00
DILUTED (in Dollars per share)	$ 0.00	$ 0.00	$ 0.00
NET INCOME PER COMMON SHARE:
BASIC (in Dollars per share)	$ 0.55	$ 0.47	$ 0.41
DILUTED (in Dollars per share)	$ 0.55	$ 0.47	$ 0.41
Weighted Average Number of Shares Outstanding:
Basic (in Shares)	10,157,395	10,156,442	10,208,944
Diluted (in Shares)	10,175,346	10,182,098	10,251,863