Consolidated Statements Of Income And Comprehensive Income (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Consolidated Statements Of Income And Comprehensive Income [Abstract]
Sales	$ 22,617,132	$ 19,423,533	$ 66,876,986	$ 58,383,802
Less: discounts and allowances	(1,997,399)	(1,721,929)	(6,306,675)	(5,180,377)
Net Sales	20,619,733	17,701,604	60,570,311	53,203,425
Cost of goods sold	12,738,310	10,958,115	37,079,491	32,883,760
Depreciation expense	407,567	396,732	1,219,721	1,163,939
Total cost of goods sold	13,145,877	11,354,847	38,299,212	34,047,699
Gross profit	7,473,856	6,346,757	22,271,099	19,155,726
Selling expenses	2,974,294	2,661,983	8,300,810	7,545,239
General and administrative	2,225,224	1,921,111	6,319,259	5,489,072
Amortization expense	197,129	195,958	574,538	587,874
Total operating expenses	5,396,647	4,779,052	15,194,607	13,622,185
Income from operations	2,077,209	1,567,705	7,076,492	5,533,541
Other income (expense):
Interest and dividend income	16,270	14,465	52,321	49,152
Rental income	4,270	4,546	10,284	5,196
Interest expense	(41,897)	(61,074)	(136,000)	(195,502)
Gain (loss) on sale of investments, net	4,024	(33,477)	26,415	(35,533)
Loss on disposition of assets	0	(20,135)	0	(20,135)
Total other income (expense)	(17,333)	(95,675)	(46,980)	(196,822)
Income before provision for income taxes	2,059,876	1,472,030	7,029,512	5,336,719
Provision for income taxes	657,697	441,989	2,483,216	2,115,365
Net income	1,402,179	1,030,041	4,546,296	3,221,354
Basic and diluted earnings per common share	$ 0.09	$ 0.06	$ 0.28	$ 0.20
Weighted average number of shares outstanding	16,366,974	16,428,005	16,380,793	16,450,973
COMPREHENSIVE INCOME
Net income	1,402,179	1,030,041	4,546,296	3,221,354
Other comprehensive income (loss), net of tax:
Unrealized gains (losses) on investments (net of tax)	62,266	(83,118)	95,996	(57,263)
Less reclassification adjustment for (gains) losses included in net income (net of taxes)	(2,274)	18,914	(14,924)	20,076
Comprehensive income	$ 1,462,171	$ 965,837	$ 4,627,368	$ 3,184,167