Note 6 - Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Related Party Transactions [Table Text Block]

	Maturity Date	Stated Interest Rate			Conversion Price		Face Value		Debt Discount			Carrying Value
At December 31, 2022	12/31/2023		22	%	$	6.30	$	7,000,000	$	(1,223,000	)	$	5,777,000
At December 31, 2021	3/6/2022		22	%	$	81.00	$	10,000,000	$	(755,000	)	$	9,245,000

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

	February 2022			June 2022			July 2022			October 2022
Conversion price before	$	81.00		$	28.80		$	12.60		$	9.45
Conversion price after	$	28.80		$	12.60		$	9.45		$	6.30
Term (years)		0.02			0.69			0.61			0.35
Volatility		39.53	%		85.6	%		99.5	%		165	%
Dividend rate		0	%		0	%		0	%		0	%
Risk free rate		1.97	%		3.2	%		2.8	%		4.02	%