Note 9 - Stock Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Nonvested Restricted Stock Shares Activity [Table Text Block]

Total authorized RSUs in Plan approved by shareholders	4,850,000
Stock issued out of the Plan from vested grants	(3,265,829	)
Non-vested grants	(1,056,937	)
RSUs available for future issuance	527,234

Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]

Non-vested grants at December 31, 2020	324,250
Granted – weighted average share price on grant date was $2.46	173,000
Vested – weighted average share price on vesting date was $2.27	(296,250	)
Forfeited	(18,000	)
Non-vested grants at December 31, 2021	183,000
Granted – weighted average share price on grant date was $6.74	881,437
Vested	—
Forfeited	(7,500	)
Non-vested grants at December 31, 2022	1,056,937

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

Vesting Year	RSUs Vesting
2023		457,721
2024		299,608
2025		299,608