Consolidated Statements of Net Income (Loss) and Comprehensive Income (Loss) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Product sales	$ 47,759,553	$ 52,902,254
Handling & freight income	4,009,304	4,442,705
Net sales	51,768,857	57,344,959
Costs and expenses:
Cost of products sold	11,086,152	11,657,728
Distributor royalties and commissions	18,410,190	20,542,905
Selling, general, and administrative	23,546,926	25,048,596
Income (loss) from operations	(1,274,411)	95,730
Other income (expense):
Interest income	117,027	131,503
Interest expense	(113,881)	(100,142)
Other income (expense)	(191,402)	(150,522)
Loss before income taxes	(1,462,667)	(23,431)
Benefit from income taxes	(238,000)	(748,000)
Net income (loss) available to common shareholders	(1,224,667)	724,569
Other comprehensive income (loss):
Foreign currency translation adjustment	(68,435)	(78,445)
Comprehensive income (loss)	$ (1,293,102)	$ 646,124
Earnings (loss) per common share - Basic (in dollars per share)	$ (0.10)	$ 0.06
Weighted average shares (in shares)	12,870,000	12,666,000
Earnings (loss) per common share - Diluted (in dollars per share)	$ (0.10)	$ 0.06
Weighted average shares (in shares)	12,870,000	12,811,000