Rental Equipment (Tables)

9 Months Ended

Sep. 30, 2017

Rental Equipment [Abstract]

Rental Equipment [Table Text Block]

	September 30, 2017		December 31, 2016
In thousands
Rental equipment	$	15,375	$	15,354
Less accumulated depreciation		13,092		12,265
Net rental equipment	$	2,283	$	3,089