Note 10 - Stock Incentive Plans (Tables)

9 Months Ended

Sep. 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		695			1.72
Vested		(677	)		1.92
Canceled or expired		(48	)		1.86
Nonvested at September 30, 2018		1,193		$	1.88

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		1,243			0.55
Vested		(126	)		1.77
Canceled or expired		(378	)		1.73
Nonvested at September 30, 2018		2,070		$	0.85

Schedule of Share-based Payment Award, Performance Stock Units, Valuation Assumptions [Table Text Block]

Valuation (grant) date	July 20, 2018			July 23, 2018
Number of units granted		1,118			125
Fair market value of the Company's Common Stock	$	1.68		$	1.67
Risk-free interest rate		2.66	%		2.70	%
Expected dividend yield		0	%		0	%
Expected volatility		37.08	%		36.89	%
Simulation period (in years)		3			3
Estimated fair value per award:
Vesting Tranche 1	$	0.37		$	0.35
Vesting Tranche 2	$	0.59		$	0.58
Vesting Tranche 3	$	0.71		$	0.70

Share-based Compensation, Activity [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Total compensation cost for share-based payments	$	642	$	261	$	1,209	$	842
Weighted average grant-date fair value of equity instruments granted (per share)	$	0.80	$	2.27	$	0.97	$	2.26
Total fair value of shares vested during the period	$	-	$	83	$	1,524	$	2,369
At September 30:
Unamortized share-based payments					$	2,039	$	2,276
Weighted average period (in years) to be recognized as expense						1.2		1.7