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)

v3.26.3

Balance Sheet Components - Additional Information (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2026 USD ($) Customer	Sep. 30, 2025 USD ($) Customer	Sep. 30, 2026 USD ($) Customer	Sep. 30, 2025 USD ($) Customer	Dec. 31, 2025 USD ($) Customer
Schedule Of Balance Sheet Components [Line Items]
Percentage of Non-US revenue invoiced in Euros	76.20%	79.20%	79.20%	78.10%
Salvage value of expenditures for additions, improvements and replacements	$ 0		$ 0
Depreciation and amortization expense for property and equipment	876,000	$ 970,000	2,826,000	$ 2,976,000
Accumulated depreciation and amortization for property and equipment	17,953,000		17,953,000		$ 15,863,000
Impairments of long-lived assets			0	0
Goodwill impairment charge	10,559,000		10,559,000
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent
Schedule Of Balance Sheet Components [Line Items]
Noncurrent inventories expected to be realized or consumed	$ 4,183,000		$ 4,183,000		$ 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
Raw materials \| Supplier Concentration Risk \| Vendor one
Schedule Of Balance Sheet Components [Line Items]
Concentration Risk, Percentage			13.90%	18.20%
Raw materials \| Supplier Concentration Risk \| Vendor two
Schedule Of Balance Sheet Components [Line Items]
Concentration Risk, Percentage			13.90%	11.20%
Raw materials \| Supplier Concentration Risk \| Vendor three
Schedule Of Balance Sheet Components [Line Items]
Concentration Risk, Percentage			10.10%	10.20%

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Number of customers accounting greater than ten percent of accounts receivable.

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Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.

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