Annual report pursuant to Section 13 and 15(d)

NATURE OF OPERATIONS AND ACCOUNTING POLICIES Revenue Recognition Narrative (Details)

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NATURE OF OPERATIONS AND ACCOUNTING POLICIES Revenue Recognition Narrative (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Nature of Operations and Accounting Policies [Line Items]        
Deferred revenue $ 24,243 $ 8,953 $ 123 $ 216
Service agreement cancellation period 30 days      
Minimum [Member]
       
Nature of Operations and Accounting Policies [Line Items]        
Service agreement period 1 month      
Hospital service agreement termination period 2 years      
Maximum [Member]
       
Nature of Operations and Accounting Policies [Line Items]        
Service agreement period 5 years      
Hospital service agreement termination period 5 years      
Aeroleo [Member]
       
Nature of Operations and Accounting Policies [Line Items]        
Deferred revenue 21,000 7,000    
Customer [Member]
       
Nature of Operations and Accounting Policies [Line Items]        
Deferred revenue $ 3,200 $ 1,900