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Rental Equipment, net
 12 Months Ended
Dec. 31, 2018
Rental Equipment [Abstract]  
Rental Equipment [Text Block]

6.  Rental Equipment, net


Rental equipment consists of the following:


In thousands

2018

 

2017

Rental equipment

$

7,109

$

10,425

Less accumulated depreciation

 

5,799

 

 

8,409

Net rental equipment

$

1,310

 

$

2,016


During 2018, $3.3 million of fully depreciated rental equipment was written off.  Depreciation expense for rental equipment for the years ended December 31, 2018 and 2017 was $706,000 and $1.1 million, respectively.