Inogen, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Computation of Earnings Per Share (Details)

Summary of Significant Accounting Policies - Computation of Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Numerator—basic:
Net income	$ 1,519us-gaap_NetIncomeLoss	$ 2,133us-gaap_NetIncomeLoss	$ 2,286us-gaap_NetIncomeLoss	$ 888us-gaap_NetIncomeLoss	$ 21,971us-gaap_NetIncomeLoss	$ 774us-gaap_NetIncomeLoss	$ 1,960us-gaap_NetIncomeLoss	$ 730us-gaap_NetIncomeLoss	$ 6,826us-gaap_NetIncomeLoss	$ 25,435us-gaap_NetIncomeLoss	$ 564us-gaap_NetIncomeLoss
Deemed dividend on redeemable convertible preferred stock									(987)	(7,278)	(5,781)
Net income (loss) before preferred rights dividend									5,839	18,157	(5,217)
Less preferred rights dividend										(7,165)
Less: undistributed earnings to preferred stock - basic									(567)	(10,781)
Net income (loss) attributable to common stockholders - basic									5,272	211	(5,217)
Numerator—diluted:
Net income	1,519us-gaap_NetIncomeLoss	2,133us-gaap_NetIncomeLoss	2,286us-gaap_NetIncomeLoss	888us-gaap_NetIncomeLoss	21,971us-gaap_NetIncomeLoss	774us-gaap_NetIncomeLoss	1,960us-gaap_NetIncomeLoss	730us-gaap_NetIncomeLoss	6,826us-gaap_NetIncomeLoss	25,435us-gaap_NetIncomeLoss	564us-gaap_NetIncomeLoss
Deemed dividend on redeemable convertible preferred stock									(987)	(7,278)	(5,781)
Net income (loss) before preferred rights dividend									5,839	18,157	(5,217)
Less preferred rights dividend										(7,165)
Less undistributed earnings to preferred stock - diluted									(514)	(9,625)
Net income (loss) attributable to common stockholders - diluted									$ 5,325	$ 1,367	$ (5,217)
Denominator:
Weighted-average common shares - basic common stock									16,182,569	276,535	261,268
Weighted-average common shares - diluted common stock									18,037,498	2,008,156	261,268
Net income (loss) per share - basic common stock	$ 0.08us-gaap_EarningsPerShareBasic	$ 0.12us-gaap_EarningsPerShareBasic	$ 0.13us-gaap_EarningsPerShareBasic	$ (0.01)us-gaap_EarningsPerShareBasic	$ 0.91us-gaap_EarningsPerShareBasic	$ (3.90)us-gaap_EarningsPerShareBasic		$ (3.65)us-gaap_EarningsPerShareBasic	$ 0.33us-gaap_EarningsPerShareBasic	$ 0.76us-gaap_EarningsPerShareBasic	$ (19.97)us-gaap_EarningsPerShareBasic
Net income (loss) per share - diluted common stock	$ 0.07us-gaap_EarningsPerShareDiluted	$ 0.11us-gaap_EarningsPerShareDiluted	$ 0.11us-gaap_EarningsPerShareDiluted	$ (0.01)us-gaap_EarningsPerShareDiluted	$ 0.79us-gaap_EarningsPerShareDiluted	$ (3.90)us-gaap_EarningsPerShareDiluted		$ (3.65)us-gaap_EarningsPerShareDiluted	$ 0.30us-gaap_EarningsPerShareDiluted	$ 0.68us-gaap_EarningsPerShareDiluted	$ (19.97)us-gaap_EarningsPerShareDiluted
Shares excluded from diluted income (loss)
Shares excluded from diluted net income (loss)									546,142		15,937,343
Basic common shares									16,182,569	276,535	261,268
Warrants									128,016	219,766
Stock Options									1,726,913	1,511,855
Diluted common shares									18,037,498	2,008,156	261,268
Warrants
Shares excluded from diluted income (loss)
Shares excluded from diluted net income (loss)											233,611
Stock Options
Shares excluded from diluted income (loss)
Shares excluded from diluted net income (loss)									546,142		1,646,223
Preferred Convertible Stock
Shares excluded from diluted income (loss)
Shares excluded from diluted net income (loss)											14,057,509