Note 10 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

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

	2021
	Number of Units				Weighted Average Grant Date Fair Value
Outstanding January 1, 2021		290,851			$	12.12
Granted		232,184				19.39
Vested		(83,311	)	(1)		12.11
Forfeited		—				—
Outstanding September 30, 2021		439,724			$	15.96

Share-based Compensation Arrangements by Share-based Payment Award, Restricted Stock Units, Vested and Expected to Vest [Table Text Block]

Vest Date	Vesting
November 2, 2021		1,838
February 22, 2022		66,919
May 8, 2022		68,569
February 22, 2023		55,087
May 8, 2023		68,569
February 22, 2024		55,087
May 8, 2024		68,564
February 22, 2025		55,091
		439,724

Schedule of Sale of Stock [Table Text Block]

Gross Proceeds	$	11,264,237
Shares of Common Stock Issued		532,694
Gross Average Sale Price per Share of Common Stock	$	21.15
Sales Commissions	$	168,963
Offering Costs		693,575
Net Proceeds		10,401,699
Average Price Per Share, net	$	19.53

Gross Proceeds	$	43,253,700
Shares of Common Stock Issued		2,059,700
Gross Average Sale Price per Share of Common Stock	$	21.00
Underwriting Discounts	$	1,946,417
Offering Costs		324,124
Net Proceeds		40,983,159
Average Price Per Share, net	$	19.90