Note 10 - Stockholders' Equity and Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Month Issued	April 2021
Number Issued		3,770,960
Interest Rate		0.34	%
Estimated Volatility		156	%
Stock Price at Issuance	$	4.17
Years to Maturity		1.5
Grant date Value per Right	$	3.56

	2021
Weighted average expected term at December 31 (years)		1.55
Total fair value of all awards at December 31	$	6,979,824
Total fair value of all vested awards at December 31	$	2,701,802
Total intrinsic value at December 31	$	1,255,078

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	Number of restricted stock units			Weighted-average grant date fair value
Non-vested shares, December 31, 2020		—		$	—
Granted		4,386,107			4.64
Vested		(1,367,319	)		4.76
Forfeited		—			—
Non-vested shares, December 31, 2021		3,018,788			4.58
Granted		6,090,765			1.32
Vested		(2,760,687	)		1.67
Forfeited		(2,185,104	)		5.26
Non-vested shares, December 31, 2022		4,163,762		$	1.38

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

	For the Year Ended December 31, 2022
	Number of Options			Weighted Average Exercise Price ($)		Weighted Average Remaining Contract Life (years)		Aggregate Intrinsic Value ($ '000)
Balance at beginning of year		237,985		$	6.14		1.41	$	—
Exercised		—			—		—		—
Expired		(40,098	)		4.56		—		—
Balance at end of year		197,887		$	6.46		0.63		—
Exercisable		197,887		$	6.46		0.63		—