Note 6 - Deferred Compensation and Long-term Incentive Plan (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits by Title of Individual and Type of Deferred Compensation [Table Text Block]

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
Compensation expense	$	355		$	450		$	887		$	1,369
Discretionary contribution	$	393		$	—		$	1,785		$	2,249
Guaranteed annual return		5.25	%		5.25	%		5.25	%		5.25	%