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

6 Months Ended

Jun. 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 June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Compensation expense	$	252		$	463		$	532		$	920
Discretionary contribution	$	10		$	153		$	1,392		$	2,249
Guaranteed annual return		5.25	%		5.25	%		5.25	%		5.25	%