Note 17 - Stock Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

				Weighted
				Average
				Grant-Date
	Number of			Fair
	Shares			Value
Nonvested at December 31, 2018		1,185		$	1.88
Granted		610		$	1.68
Vested		(770	)	$	1.86
Canceled or expired		(233	)	$	1.93
Nonvested at December 31, 2019		792		$	1.74

Schedule of Nonvested Performance-based Units Activity [Table Text Block]

				Weighted
				Average
				Grant-Date
	Number of			Fair
	Shares			Value
Nonvested at December 31, 2018		1,938		$	1.10
Granted		1,437		$	0.94
Vested		-		$	-
Canceled or expired		(1,746	)	$	1.00
Nonvested at December 31, 2019		1,629		$	1.07

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

	Years Ended
	December 31,
	2019		2018
Total compensation cost for share-based payments	$	1,580	$	1,757
Weighted average grant-date fair value of equity instruments granted	$	1.16	$	0.97
Total fair value of shares vested during the period	$	1,432	$	1,534
Unamortized share-based payments	$	1,124	$	1,438
Weighted average period in years to be recognized as expense		1.69		1.06