Note 16 - Stock Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

				Weighted
				Average
				Grant-Date
	Number of			Fair
	Shares			Value
Nonvested at December 31, 2017		1,223		$	2.00
Granted		695		$	1.72
Vested		(682	)	$	1.91
Canceled or expired		(51	)	$	1.85
Nonvested at December 31, 2018		1,185		$	1.88

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

				Weighted
				Average
				Grant-Date
	Number of			Fair
	Shares			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 December 31, 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]

	Years Ended
	December 31,
	2018		2017
Total compensation cost for share-based payments	$	1,757	$	1,509
Weighted average grant-date fair value of equity instruments granted	$	0.97	$	1.73
Total fair value of shares vested during the period	$	1,534	$	2,455
Unamortized share-based payments	$	1,438	$	1,784
Weighted average period in years to be recognized as expense		1.06		1.61