Condensed Consolidated Statements of Net Income and Comprehensive Income (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Product sales	$ 16,889,458	$ 17,614,840
Handling & freight income	1,967,806	2,128,804
Net sales	18,857,264	19,743,644
Costs and expenses:
Cost of products sold	3,903,858	3,900,581
Distributor royalties and commissions	7,003,204	7,455,160
Selling, general and administrative	7,515,488	7,474,246
Total costs and expenses	18,422,550	18,829,987
Income (loss) from operations	434,714	913,657
Other income (expense):
Interest income	37,164	9,314
Interest expense	(17,502)	(30,919)
Other income / (expense)	(26,575)	(22,668)
Income before income taxes	427,801	869,384
Provision for income taxes	233,000	337,000
Net income	194,801	532,384
Other comprehensive income (loss):
Foreign currency translation adjustment	(16,773)	109,772
Comprehensive income	$ 178,028	$ 642,156
Earnings per common share - Basic (in dollars per share)	$ 0.02	$ 0.04
Weighted average shares (in shares)	12,620,000	12,512,000
Earnings per common share - Diluted (in dollars per share)	$ 0.02	$ 0.04
Weighted average shares (in shares)	12,708,000	12,633,000
Cash dividends declared per common share (in dollars per share)	$ 0	$ 0