Note 11 - Stock Options, Incentive Plans, Stock Awards, and Employee Benefit Plan (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

					Weighted Average
			Weighted Average		Contractual		Aggregate Intrinsic
Stock Awards	Shares		Exercise Price		Remaining Life		Value
Outstanding, December 31, 2020		5,101,113	$	1.96
Granted		339,900		6.37
Vested		26,000		—
Forfeited		173,111		—
Outstanding, December 31, 2021		5,241,902	$	2.25		5.74	$	2.11
Expected to Vest after December 31, 2021		5,241,902	$	2.25		5.74	$	2.11