Inogen, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

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- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Basis of Presentation and Summary of Significant Accounting Policies (Policies)
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Fair Value of Financial Instruments - Summary of Fair Value Assets Measured on Recurring Basis for Cash, Cash Equivalents and Marketable Securities (Details)

v3.19.1

Fair Value of Financial Instruments - Summary of Fair Value Assets Measured on Recurring Basis for Cash, Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 190,236	$ 196,634
Fair Value Measurements Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Adjusted cost	239,230	240,358
Gross unrealized gains/(losses)	17	(9)
Fair value	239,247	240,349
Cash and cash equivalents	190,236	196,634
Marketable securities	49,011	43,715
Fair Value Measurements Recurring \| Cash
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Adjusted cost	19,300	33,671
Fair value	19,300	33,671
Cash and cash equivalents	19,300	33,671
Fair Value Measurements Recurring \| Level 1 \| Money Market Accounts
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Adjusted cost	170,181	158,438
Fair value	170,181	158,438
Cash and cash equivalents	170,181	158,438
Fair Value Measurements Recurring \| Level 2 \| Corporate Bonds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Adjusted cost	10,064	13,629
Gross unrealized gains/(losses)	1	(16)
Fair value	10,065	13,613
Marketable securities	10,065	13,613
Fair Value Measurements Recurring \| Level 2 \| U.S. Treasury Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Adjusted cost	39,685	34,620
Gross unrealized gains/(losses)	16	7
Fair value	39,701	34,627
Cash and cash equivalents	755	4,525
Marketable securities	$ 38,946	$ 30,102

- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in marketable security, classified as current.

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