Rental Equipment, net (Tables)

3 Months Ended

Mar. 31, 2022

Rental Equipment, net (Tables) [Line Items]

Rental Equipment [Table Text Block]

	March 31 2022		December 31 2021
In thousands
Rental equipment	$	3,664	$	3,664
Less accumulated depreciation		3,300		3,253
Net rental equipment	$	364	$	411