Note 5 - Goodwill and Indefinite-lived Intangibles (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Schedule of Goodwill [Table Text Block]

(in thousands)	Power and Electro - Mechanical		Energy		Other		Total
Balance, December 31, 2018	$	13,089	$	—	$	—	$	13,089
Balance, March 31, 2019	$	13,089	$	—	$	—	$	13,089