Note 2 - Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
	Dec. 31, 2022 USD ($)
Allowance for Doubtful Accounts, Premiums and Other Receivables	$ 10,000
Impairment, Long-Lived Asset, Held-for-Use, Total	0
Contract with Customer, Rebates	0
Other Inventory, Materials, Supplies and Merchandise under Consignment, Gross	0
Income Tax Examination, Penalties and Interest Accrued, Total	0
Unrecognized Tax Benefits, Uncertain Tax Positions	$ 0
Number of Operating Segments	1
Production Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Furniture and Office Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Furniture and Office Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Accounts Receivable and Other Income [Member]
Employee Retention Tax Credit	$ 641,086