Condensed Consolidated Statements of Net Income (Loss) and Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net sales	$ 8,668,344	$ 9,148,865	$ 26,967,569	$ 26,895,382
Costs and expenses:
Cost of goods sold	2,290,223	2,497,993	7,147,554	7,200,716
Distributor royalties and commissions	2,801,005	2,939,187	8,719,538	8,721,852
Selling, general and administrative	3,744,220	3,796,276	11,023,006	11,224,748
Total costs and expenses	8,835,448	9,233,456	26,890,098	27,147,316
Income (loss) from operations	(167,104)	(84,591)	77,471	(251,934)
Other income (expense):
Interest income	45,904	41,548	124,614	137,028
Interest expense	(6,717)	(24,250)	(20,755)	(39,737)
Other income (expense)	56,202	(12,564)	86,234	(13,224)
Gain on sale of fixed assets				434,549
Income (loss) before income taxes	(71,715)	(79,857)	267,564	266,682
Provision (benefit) for income taxes	53,000	86,000	(71,000)	197,000
Net income (loss)	(124,715)	(165,857)	338,564	69,682
Other comprehensive income (loss):
Foreign currency translation adjustment	47,041	(27,307)	(6,366)	(15,554)
Comprehensive income (loss)	$ (77,674)	$ (193,164)	$ 332,198	$ 54,128
Earnings (loss) per common share - Basic & Diluted (in dollars per share)	$ (0.07)	$ (0.09)	$ 0.19	$ 0.04
Weighted average shares (in shares)	1,746,000	1,746,000	1,746,000	1,746,000
Product [Member]
Net sales	$ 7,935,387	$ 8,395,941	$ 24,855,366	$ 24,809,979
Freight Income [Member]
Net sales	489,479	521,192	1,494,281	1,521,014
Product and Service, Other [Member]
Net sales	$ 243,478	$ 231,732	$ 617,922	$ 564,389