Inogen, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Basis of Presentation and Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Balance Sheet Components - Additional Information (Details)

v3.26.1

Balance Sheet Components - Additional Information (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2026 USD ($) Customer	Jun. 30, 2025 USD ($) Customer	Jun. 30, 2026 USD ($) Customer	Jun. 30, 2025 USD ($) Customer	Dec. 31, 2025 USD ($) Customer
Schedule Of Balance Sheet Components [Line Items]
Accounts receivable, net	$ 46,157,000		$ 46,157,000		$ 38,863,000
Percentage of Non-US revenue invoiced in Euros	79.50%	76.00%	80.60%	77.40%
Salvage value of expenditures for additions, improvements and replacements	$ 0		$ 0
Repairs and maintenance expense	1,508,000	$ 1,660,000	3,317,000	$ 3,498,000
Impairments of long-lived assets			0	$ 0
Other Noncurrent Assets
Schedule Of Balance Sheet Components [Line Items]
Noncurrent inventories expected to be realized or consumed	$ 2,830,000		$ 2,830,000		$ 966,000
Total Revenue \| Customer Concentration Risk
Schedule Of Balance Sheet Components [Line Items]
Number of customers \| Customer	1	1	1	1
Net Accounts Receivable \| Customer Concentration Risk
Schedule Of Balance Sheet Components [Line Items]
Number of customers \| Customer			0		0
Rental Revenue \| Customer Concentration Risk \| Medicare's Service Reimbursement Programs
Schedule Of Balance Sheet Components [Line Items]
Concentration Risk, Percentage			63.40%	59.00%
Raw materials \| Supplier Concentration Risk \| Vendor one
Schedule Of Balance Sheet Components [Line Items]
Concentration Risk, Percentage			15.10%	17.40%
Raw materials \| Supplier Concentration Risk \| Vendor two
Schedule Of Balance Sheet Components [Line Items]
Concentration Risk, Percentage			12.90%	11.00%
Raw materials \| Supplier Concentration Risk \| Vendor three
Schedule Of Balance Sheet Components [Line Items]
Concentration Risk, Percentage			11.10%	9.80%

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