Note 13 - Long-term Incentive Plan (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

			Weighted Average		Grant Date Total Fair
	Number of		Grant Date Fair		Value
Grant Date	Units		Value		(in thousands)
December 2019		7,500	$	1.07	$	8
December 2020		7,500	$	2.06	$	15
December 2021		22,743	$	3.26	$	74

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

			Weighted Average		Grant Date Total Fair
	Number of		Grant Date Fair		Value
Grant Date	Units		Value		(in thousands)
March 2019		524,997	$	1.14	$	598
June 2019		46,168	$	1.08	$	50
March 2020		600,396	$	0.90	$	540
October 2020		16,339	$	1.53	$	25
March 2021		530,435	$	2.71	$	1,437

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

	Number of		Grant Date Fair
	Units		Value
Nonvested, December 31, 2020		1,350,366	$	1.81
Granted		574,406		2.75
Vested		369,482		4.00
Forfeited		-		-
Nonvested, December 31, 2021		1,555,290	$	1.66