Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment, Net (Details)

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Property and Equipment, Net (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Property and equipment, net    
Property and Equipment, Gross $ 45,265 $ 47,757
Accumulated depreciation and amortization (25,920) (24,462)
Total 19,345 23,295
Land [Member]
   
Property and equipment, net    
Property and Equipment, Gross 3,097 4,152
Buildings [Member]
   
Property and equipment, net    
Property and Equipment, Gross 6,907 10,269
Leasehold improvements [Member]
   
Property and equipment, net    
Property and Equipment, Gross 1,978 2,796
Office furniture and equipment [Member]
   
Property and equipment, net    
Property and Equipment, Gross 12,733 10,820
Computer software and hardware [Member]
   
Property and equipment, net    
Property and Equipment, Gross 8,557 10,250
Demonstration and loaned equipment [Member]
   
Property and equipment, net    
Property and Equipment, Gross 10,641 9,470
Assets held for sale [Member]
   
Property and equipment, net    
Property and Equipment, Gross $ 1,352