Consolidated Statements Of Income And Comprehensive Income (USD $)	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Consolidated Statements Of Income And Comprehensive Income [Abstract]
Sales	$ 19,423,533	$ 15,908,784	$ 58,383,802	$ 47,419,499	$ 63,543,445
Less: discounts and allowances	(1,721,929)	(1,315,767)	(5,180,377)	(3,651,976)	(5,043,552)
Net Sales	17,701,604	14,593,017	53,203,425	43,767,523	58,499,893
Cost of goods sold	11,066,579	8,981,922	33,253,219	25,512,628	36,926,973
Depreciation expense	396,732	349,017	1,163,939	1,033,612	1,393,745
Total cost of goods sold	11,463,311	9,330,939	34,417,158	26,546,240	38,320,718
Gross profit	6,238,293	5,262,078	18,786,267	17,221,283	20,179,175
Selling expenses	2,748,389	1,848,222	7,760,704	5,584,954	7,603,098
General and administrative	1,726,241	1,329,803	4,904,148	4,298,024	5,576,908
Amortization expense	195,958	175,760	587,874	527,280	724,537
Total Operating Expenses	4,670,588	3,353,785	13,252,726	10,410,258	13,904,543
Income from operations	1,567,705	1,908,293	5,533,541	6,811,025	6,274,632
Other income (expense):
Interest and dividend income	14,465	97,697	49,152	205,381	260,552
Rental income	4,546	4,050	5,196	8,085	11,785
Interest expense	(61,074)	(86,167)	(195,502)	(262,274)	(350,997)
Gain (loss) on sale of investments, net	(33,477)	(1,687)	(35,533)	53,097	250,480
Loss on Disposition of Assets	(20,135)		(20,135)
Total other income (expense)	(95,675)	13,893	(196,822)	4,289	171,820
Income before provision for income taxes	1,472,030	1,922,186	5,336,719	6,815,314	6,446,452
Provision for income taxes	441,989	1,017,349	2,115,365	2,957,285	2,823,986
Net income	1,030,041	904,837	3,221,354	3,858,029	3,622,466
Basic and diluted earnings per common share	$ 0.06	$ 0.05	$ 0.20	$ 0.23	$ 0.22
Weighted average number of shares outstanding	16,428,005	16,625,414	16,450,973	16,695,782	16,663,557
COMPREHENSIVE INCOME
Net income	1,030,041	904,837	3,221,354	3,858,029	3,622,466
Other comprehensive income (loss), net of tax:
Unrealized gains on investments (net of tax)	(83,118)	101,334	(57,263)	91,995	114,297
Less reclassification adjustment for (gains) losses included in net income (net of taxes)	18,914	990	20,076	(31,168)	(147,032)
Comprehensive income	$ 965,837	$ 1,007,161	$ 3,184,167	$ 3,918,856	$ 3,589,731

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