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Note 3 - Summary of Significant Accounting Policies and Significant Judgments and Estimates (Details Textual) - USD ($)	3 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2016	Sep. 30, 2017
Deferred Revenue, Total	$ 764,185			$ 484,121
Revenues, Total	836,529	$ 631,621
Deferred Tax Assets, Valuation Allowance, Total	4,900,000			$ 4,900,000
Share-based Payment Arrangement, Expense, Tax Benefit	$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	500	0
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount	$ 51,651
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	3 years 146 days
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	600,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance	246,781			246,281
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	240,219
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	$ 482,282	$ 0
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	0 years
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	5 years
Fair Value, Nonrecurring [Member]
Assets, Fair Value Disclosure	$ 0			$ 0
Financial and Nonfinancial Liabilities, Fair Value Disclosure	0			0
Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value Disclosure	0			0
Fair Value, Inputs, Level 2 [Member]
Assets, Fair Value Disclosure	0			$ 0
Engineering Services [Member]
Revenues, Total	619,936		$ 0
Equipment Sales [Member]
Revenues, Total	$ 216,593	$ 631,621	$ 632,000