Note 12 - Stock Incentive Plans (Tables)

3 Months Ended

Mar. 31, 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		-			-
Vested		(518	)		1.91
Canceled or expired		(7	)		1.73
Nonvested at March 31, 2019		660		$	1.86

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		-			-
Vested		-			-
Canceled or expired		(238	)		1.74
Nonvested at March 31, 2019		1,832		$	0.74

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

	Three Months Ended
	March 31,
	2019		2018
Total compensation cost for share-based payments	$	498	$	242
Weighted average grant-date fair value of equity instruments granted (per share)	$	-	$	1.80
Total fair value of shares vested during the period	$	991	$	1,524
At March 31:
Unamortized share-based payments	$	947	$	1,156
Weighted average period (in years) to be recognized as expense		1.0		1.7