Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

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

In thousands	2014		2013
Balance at beginning of year	$	86	$	64
Provisions		841		272
Deductions		(759)		(250)
Balance at end of year	$	168	$	86

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

	Years
Indoor rental equipment	5-10
Outdoor rental equipment	15
Buildings and improvements	10 - 40
Machinery, fixtures and equipment	3 - 15
Leaseholds and improvements	4 - 5