Note 10 - Stock Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

				Weighted
				Average
				Grant Date
	Number			Fair
	of Units			Value
Nonvested at December 31, 2017		1,223		$	2.00
Granted		335			1.76
Vested		(677	)		1.92
Canceled or expired		(42	)		1.87
Nonvested at June 30, 2018		839		$	1.97

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

				Weighted
				Average
				Grant Date
	Number			Fair
	of Units			Value
Nonvested at December 31, 2017		1,331		$	1.47
Granted		-			-
Vested		(126	)		1.77
Canceled or expired		(378	)		1.73
Nonvested at June 30, 2018		827		$	1.31

Share-based Compensation, Activity [Table Text Block]

	Three Months Ended					Six Months Ended
	June 30,					June 30,
	2018		2017			2018		2017
Total compensation cost for share-based payments	$	325	$	(29	)	$	567	$	581
Weighted average grant-date fair value of equity instruments granted (per share)	$	1.75	$	2.20		$	1.76	$	1.81
Total fair value of shares vested during the period	$	-	$	140		$	1,524	$	2,286
At June 30:
Unamortized share-based payments						$	1,315	$	807
Weighted average period (in years) to be recognized as expense							1.3		1.3