Condensed Consolidated Statements of Net Income (Loss) and Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net sales	$ 8,459,741	$ 10,006,628	$ 18,462,980	$ 22,784,410
Costs and expenses:
Cost of products sold	2,356,274	2,328,452	4,706,016	5,163,977
Distributor royalties and commissions	2,827,357	3,554,773	6,219,102	8,053,326
Selling, general and administrative	4,215,641	4,631,860	8,701,536	9,558,139
Total costs and expenses	9,399,272	10,515,085	19,626,654	22,775,442
Income (loss) from operations	(939,531)	(508,457)	(1,163,674)	8,968
Other income (expense):
Interest income	23,547	25,827	47,499	51,353
Interest expense	(45,222)	(27,448)	(76,787)	(52,289)
Other income	6,252	12,413	16,703	45,096
Income (loss) before income taxes	(954,954)	(497,665)	(1,176,259)	53,128
Provision for income taxes	23,000	22,000	40,000	49,000
Net income (loss)	(977,954)	(519,665)	(1,216,259)	4,128
Other comprehensive income (loss):
Foreign currency translation adjustment	(78,591)	65,162	(53,363)	90,634
Comprehensive income (loss)	$ (1,056,545)	$ (454,503)	$ (1,269,622)	$ 94,762
Earnings (loss) per common share - Basic (in dollars per share)	$ (0.53)	$ (0.28)	$ (0.66)	$ 0
Weighted average shares (in shares)	1,845,000	1,845,000	1,845,000	1,845,000
Earnings (loss) per common share - Diluted (in dollars per share)	$ (0.53)	$ (0.28)	$ (0.66)	$ 0
Weighted average shares (in shares)	1,845,000	1,845,000	1,845,000	1,846,000
Product [Member]
Net sales	$ 7,920,596	$ 9,258,809	$ 17,311,977	$ 21,093,925
Shipping and Handling [Member]
Net sales	$ 539,145	$ 747,819	$ 1,151,003	$ 1,690,485