Note 12 - Stock Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

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

				Weighted
				Average
				Grant Date
	Number			Fair
	of Units			Value
Nonvested at December 31, 2018		1,185		$	1.88
Granted		171			1.65
Vested		(768	)		1.86
Canceled or expired		(208	)		1.96
Nonvested at June 30, 2019		380		$	1.78

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

				Weighted
				Average
				Grant Date
	Number			Fair
	of Units			Value
Nonvested at December 31, 2018		2,070		$	0.85
Granted		779			0.28
Vested		-			-
Canceled or expired		(1,318	)		0.91
Nonvested at June 30, 2019		1,531		$	0.51

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

	Three Months Ended					Six Months Ended
	June 30,					June 30,
	2019			2018		2019		2018
Total compensation cost for share-based payments	$	(9	)	$	325	$	489	$	567
Weighted average grant-date fair value of equity instruments granted (per share)	$	0.53		$	1.75	$	0.53	$	1.76
Total fair value of shares vested during the period	$	436		$	-	$	1,427	$	1,524
At June 30:
Unamortized share-based payments						$	293	$	1,315
Weighted average period (in years) to be recognized as expense							0.9		1.3