Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Net sales	$ 1,544,142	$ 1,067,786	$ 3,590,347	$ 3,084,493
Cost of sales	666,758	528,322	1,790,145	955,209
Gross profit	877,384	539,464	1,800,202	2,129,284
Operating expenses:
Selling, general and administrative	522,097	478,654	1,513,052	1,669,293
Product development	114,378	407,106	414,970	1,377,889
Total operating expenses	636,475	885,760	1,928,022	3,047,182
Operating income (loss)	240,909	(346,296)	(127,820)	(917,898)
Other income:
Interest income	2,118	1,806	5,601	6,470
Net income (loss)	$ 243,027	$ (344,490)	$ (122,219)	$ (911,428)
Net income (loss) per common share:
Basic (in dollars per share)	$ 0.13	$ (0.19)	$ (0.07)	$ (0.50)
Diluted (in dollars per share)	$ 0.13	$ (0.19)	$ (0.07)	$ (0.50)
Weighted average shares:
Basic (in shares)	1,849,025	1,839,877	1,845,706	1,839,877
Diluted (in shares)	1,854,370	1,839,877	1,845,706	1,839,877
Net sales	$ 1,544,142	$ 1,067,786	$ 3,590,347	$ 3,084,493
Cost of sales	666,758	528,322	1,790,145	955,209
Gross profit	$ 877,384	$ 539,464	$ 1,800,202	$ 2,129,284