Note 2 - Summary of Significant Accounting Policies - Assets Measured at Fair Value on Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($)	Sep. 29, 2018	Sep. 30, 2017
Cash Equivalents	$ 1,020,039	$ 851,195
Total assets	1,020,039	851,195
Fair Value, Inputs, Level 1 [Member]
Cash Equivalents	1,020,039	851,195
Total assets	1,020,039	851,195
Money Market Funds [Member]
Cash Equivalents	1,020,039	851,195
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Cash Equivalents	$ 1,020,039	$ 851,195