Rental Equipment, net (Tables)

3 Months Ended

Mar. 31, 2021

Rental Equipment, net (Tables) [Line Items]

Rental Equipment [Table Text Block]

	March 31 2021		December 31 2020
In thousands
Rental equipment	$	3,714	$	3,714
Less accumulated depreciation		3,120		3,058
Net rental equipment	$	594	$	656