Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($)		3 Months Ended
	Jan. 03, 2023	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Inventory Valuation Reserves		$ 10,300		$ 52,900
Net Income (Loss) Attributable to Parent		(5,007,085)	$ (2,771,591)
Retained Earnings (Accumulated Deficit)		(68,806,464)		(63,799,379)
Net Cash Provided by (Used in) Operating Activities		(4,370,239)	$ (4,830,249)
Cash and Cash Equivalents, at Carrying Value		915,176		$ 1,543,418
Working Capital Deficit		$ 506,100
Registered Direct Offering [Member]
Proceeds from Issuance or Sale of Equity	$ 3,405,000
Warrants To Purchase Common Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		7,419,760	2,048,186
Share-Based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		771,527	412,263
Computers and Vehicles [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)		3 years
Computers and Vehicles [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)		5 years
Machinery and Furniture [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)		7 years
Machinery and Furniture [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)		10 years