Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 1,046,401	$ 734,515	$ 1,904,719	$ 1,521,431
Cost of goods sold	594,501	472,713	1,109,674	971,255
Gross profit	451,900	261,802	795,045	550,176
Selling, general and administrative expenses	367,560	333,611	769,031	660,113
Income (loss) from operations	84,340	(71,809)	26,014	(109,937)
Other income (expense), net	940	(1,117)	(958)	(3,796)
Income (loss) before income taxes	85,280	(72,926)	25,056	(113,733)
Provision for income taxes	50	50	50	50
Net income (loss)	$ 85,230	$ (72,976)	$ 25,006	$ (113,783)
Per share data: Basic and diluted earnings (loss) per common share	$ 0.03	$ (0.03)	$ 0.01	$ (0.04)
Shares used in computing net income (loss) per common share:Basic and diluted	2,579,432	2,579,681	2,579,558	2,579,683