Note 9 - Long-term Incentive Plan (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

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

Grant Date	Number of Units		Weighted Average Grant Date Fair Value (1)		Grant Date Total Fair Value (in thousands)
December 2017		15,306	$	4.85	$	74
December 2018		23,436	$	1.20	$	28
December 2019		7,500	$	1.07	$	8

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

Grant Date	Number of Units		Weighted Average Grant Date Fair Value (1)		Grant Date Total Fair Value (in thousands)
March 2018		396,536	$	4.77	$	1,891
March 2019		524,997	$	1.14	$	598
June 2019		46,168	$	1.08	$	50
March 2020		600,396	$	0.90	$	540

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

	Number of Units		Weighted Average Grant Date Fair Value
Nonvested at December 31, 2019		1,068,343	$	3.42
Granted		600,396		0.90
Vested		305,149		5.59
Forfeited		-		-
Nonvested at June 30, 2020		1,363,590	$	2.71