Quarterly report pursuant to Section 13 or 15(d)

Business Overview - Additional Information (Details)

v3.7.0.1
Business Overview - Additional Information (Details)
$ in Thousands
6 Months Ended
May 04, 2017
USD ($)
Jun. 30, 2017
USD ($)
Product
lb
Sep. 30, 2017
USD ($)
Business Overview Disclosures [Line Items]      
Percentage of patients using portable oxygen concentrators   8.00%  
Goodwill acquired   $ 2,253  
MedSupport Systems B.V.      
Business Overview Disclosures [Line Items]      
Aggregate payment for acquisition $ 5,934    
Cash paid at closing 5,779    
Cash acquired 1,337    
Intangible assets acquired 1,529    
Goodwill acquired 2,154    
Net assets assumed 914    
MedSupport Systems B.V. | Scenario Forecast      
Business Overview Disclosures [Line Items]      
Estimated net working capital adjustments payable     $ 155
MedSupport Systems B.V. | General and Administrative      
Business Overview Disclosures [Line Items]      
Acquisition expenses $ 370    
Inogen Europe Holding B.V.      
Business Overview Disclosures [Line Items]      
Date of incorporation of subsidiary   Apr. 13, 2017  
One G4      
Business Overview Disclosures [Line Items]      
Weight of oxygen portable device | lb   2.8  
One G3      
Business Overview Disclosures [Line Items]      
Weight of oxygen portable device | lb   4.8  
One G2      
Business Overview Disclosures [Line Items]      
Weight of oxygen portable device | lb   7.0  
Maximum | One G4      
Business Overview Disclosures [Line Items]      
Estimated battery life of portable oxygen concentrator   2 hours 36 minutes  
Maximum | One G3      
Business Overview Disclosures [Line Items]      
Estimated battery life of portable oxygen concentrator   4 hours 42 minutes  
Maximum | One G2      
Business Overview Disclosures [Line Items]      
Estimated battery life of portable oxygen concentrator   5 hours  
Minimum | Inogen One      
Business Overview Disclosures [Line Items]      
Number of portable oxygen concentrators | Product   289,000