Note 10 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]

	March 31, 2016				December 31, 2015
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Long-term debt	$	16,982	$	17,440	$	17,307	$	18,023
Revolving credit facility	$	6,750	$	6,750	$	5,000	$	5,000
	$	23,732	$	24,190	$	22,307	$	23,023