Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

In thousands	2018		2017
Balance at beginning of year	$	235	$	39
Provisions		1,562		196
Write-offs		-		-
Balance at end of year	$	1,797	$	235

Schedule Of Property Plant And Equipment Estimated Useful Life [Table Text Block]

	Years
Indoor rental equipment	10
Outdoor rental equipment	15
Machinery, fixtures and equipment	5 – 15
Leaseholds and improvements	7