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Stock Incentive Plan - Summary of ESPP Stock Plan Activity (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
12 Months Ended | 0 Months Ended | |
|---|---|---|---|
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Dec. 31, 2014
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Feb. 12, 2014
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Mar. 02, 2015
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |||
| Payroll deductions used to purchase shares | $ 413us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan | ||
| 2014 ESPP Plan | |||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |||
| Employee accumulated payroll deductions |
414ingn_AccumulatedPayrollDeductionsValueEmployeeStockPurchasePlan / us-gaap_PlanNameAxis = ingn_TwoThousandAndFourteenEmployeeStockPurchasePlanMember |
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| Total Shares Purchased |
30,358us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans / us-gaap_PlanNameAxis = ingn_TwoThousandAndFourteenEmployeeStockPurchasePlanMember |
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| Payroll deductions used to purchase shares |
413us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan / us-gaap_PlanNameAxis = ingn_TwoThousandAndFourteenEmployeeStockPurchasePlanMember |
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| Transfer to next offering period |
1ingn_EmployeeStockPurchasePlanPayrollDeductionsTransferToFutureOfferings / us-gaap_PlanNameAxis = ingn_TwoThousandAndFourteenEmployeeStockPurchasePlanMember |
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| FMV at enrollment date |
$ 16.00ingn_FairMarketValueOfStockPricePerShareEnrollmentDate / us-gaap_PlanNameAxis = ingn_TwoThousandAndFourteenEmployeeStockPurchasePlanMember |
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| FMV at purchase date |
$ 21.69ingn_FairMarketValueOfStockPricePerSharePurchaseDate / us-gaap_PlanNameAxis = ingn_TwoThousandAndFourteenEmployeeStockPurchasePlanMember |
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| Purchase price |
$ 13.60us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased / us-gaap_PlanNameAxis = ingn_TwoThousandAndFourteenEmployeeStockPurchasePlanMember |
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| 2014 ESPP Plan | Subsequent Event | |||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |||
| Employee accumulated payroll deductions |
$ 250ingn_AccumulatedPayrollDeductionsValueEmployeeStockPurchasePlan / us-gaap_PlanNameAxis = ingn_TwoThousandAndFourteenEmployeeStockPurchasePlanMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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| FMV at enrollment date |
$ 21.69ingn_FairMarketValueOfStockPricePerShareEnrollmentDate / us-gaap_PlanNameAxis = ingn_TwoThousandAndFourteenEmployeeStockPurchasePlanMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
| X | ||||||||||
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- Definition
Accumulated payroll deductions value, Employee Stock Purchase Plan. No definition available.
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- Definition
Employee Stock Purchase Plan, payroll deductions transfer to future offerings. No definition available.
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- Definition
Fair market value of stock price per share, enrollment date. No definition available.
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- Definition
Fair market value of stock price per share, purchase date. No definition available.
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- Details
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| X | ||||||||||
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- Definition
The weighted average of per share prices paid for shares purchased on the open market for issuance to employees under the plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares issued during the period as a result of an employee stock purchase plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate change in value for stock issued during the period as a result of employee stock purchase plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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