Rental Equipment (Tables)

6 Months Ended

Jun. 30, 2017

Rental Equipment [Abstract]

Rental Equipment [Table Text Block]

	June 30 2017		December 31  2016
In thousands
Rental equipment	$	15,359	$	15,354
Less accumulated depreciation		12,817		12,265
Net rental equipment	$	2,542	$	3,089