Rental Equipment, net (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Rental Equipment, net (Details) [Line Items]
Property, Plant and Equipment, Disposals	$ 36,000	$ 151,000
Depreciation	137,000	123,000
Rental Equipment [Member]
Rental Equipment, net (Details) [Line Items]
Property, Plant and Equipment, Disposals	5,800,000
Depreciation	$ 1,600,000	$ 2,300,000