Condensed Consolidated Statements of Net Income (Loss) and Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net Revenues	$ 9,148,865	$ 8,337,045	$ 26,895,382	$ 26,800,025
Costs and expenses:
Cost of goods sold	2,497,993	2,383,942	7,200,716	7,089,958
Distributor royalties and commissions	2,939,187	2,639,863	8,721,852	8,858,965
Selling, general and administrative	3,796,276	3,845,304	11,224,748	12,546,840
Total costs and expenses	9,233,456	8,869,109	27,147,316	28,495,763
Loss from operations	(84,591)	(532,064)	(251,934)	(1,695,738)
Other income (expense):
Interest income	41,548	22,633	137,028	70,132
Interest expense	(24,250)	(16,408)	(39,737)	(93,195)
Other income (expense)	(12,564)	(1,658)	(13,224)	12,207
Gain (loss) on sale of fixed assets		(6,804)	434,549	(3,966)
Income (loss) before income taxes	(79,857)	(534,301)	266,682	(1,710,560)
Provision for income taxes	86,000	8,000	197,000	48,000
Net income (loss)	(165,857)	(542,301)	69,682	(1,758,560)
Other comprehensive income (loss):
Foreign currency translation adjustment	(27,307)	757	(15,554)	(52,606)
Comprehensive income (loss)	$ (193,164)	$ (541,544)	$ 54,128	$ (1,811,166)
Basic earnings (loss) per share (in dollars per share)	$ (0.09)	$ (0.29)	$ 0.04	$ (0.95)
Weighted average shares (in shares)	1,746,000	1,845,000	1,746,000	1,845,000
Diluted earnings (loss) per share (in dollars per share)	$ (0.09)	$ (0.29)	$ 0.04	$ (0.95)
Weighted average shares (in shares)	1,746,000	1,845,000	1,746,000	1,845,000
Product [Member]
Net Revenues	$ 8,395,941	$ 7,817,526	$ 24,809,979	$ 25,129,503
Freight Income [Member]
Net Revenues	521,192	519,519	1,521,014	1,670,522
Product and Service, Other [Member]
Net Revenues	$ 231,732		$ 564,389