Consolidated Statements of Net Loss and Comprehensive Loss - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Net sales	$ 36,115,741	$ 41,788,782
Costs and expenses:
Cost of products sold	9,709,743	9,401,406
Distributor royalties and commissions	11,749,604	14,685,553
Selling, general, and administrative	16,520,885	17,885,226
Loss from operations	(1,864,491)	(183,403)
Other income (expense):
Interest income	93,054	101,901
Interest expense	(95,556)	(109,254)
Other income	61,652	38,844
Loss before income taxes	(1,805,341)	(151,912)
Provision for income taxes	98,000	545,000
Net loss available to common shareholders	(1,903,341)	(696,912)
Other comprehensive income (loss):
Foreign currency translation adjustment	(124,441)	113,551
Comprehensive loss	$ (2,027,782)	$ (583,361)
Loss per common share - Basic (in dollars per share)	$ (1.03)	$ (0.38)
Weighted average shares (in shares)	1,845,000	1,845,000
Loss per common share - Diluted (in dollars per share)	$ (1.03)	$ (0.38)
Weighted average shares (in shares)	1,845,000	1,845,000
Product [Member]
Net sales	$ 33,918,169	$ 38,751,357
Shipping and Handling [Member]
Net sales	$ 2,197,572	$ 3,037,425