Annual report pursuant to Section 13 and 15(d)

Computation of Basic and Diluted Net (Loss) Income Per Share Attributable to Gaiam, Inc. Common Shareholders (Detail)

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Computation of Basic and Diluted Net (Loss) Income Per Share Attributable to Gaiam, Inc. Common Shareholders (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Net (loss) income attributable to Gaiam, Inc. common shareholders:      
(Loss) income from continuing operations $ (6,589)us-gaap_IncomeLossFromContinuingOperations $ (20,757)us-gaap_IncomeLossFromContinuingOperations $ (19,530)us-gaap_IncomeLossFromContinuingOperations
(Loss) income from discontinued operations (3,327)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity (1,995)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity 6,648us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Net loss attributable to Gaiam, Inc. $ (9,916)us-gaap_NetIncomeLoss $ (22,752)us-gaap_NetIncomeLoss $ (12,882)us-gaap_NetIncomeLoss
Weighted average shares for basic and diluted net (loss) income per share 24,228us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted 22,972us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted 22,703us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
Loss from continuing operations $ (0.27)us-gaap_IncomeLossFromContinuingOperationsPerBasicAndDilutedShare $ (0.90)us-gaap_IncomeLossFromContinuingOperationsPerBasicAndDilutedShare $ (0.86)us-gaap_IncomeLossFromContinuingOperationsPerBasicAndDilutedShare
(Loss) income from discontinued operations $ (0.14)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicAndDilutedShare $ (0.09)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicAndDilutedShare $ 0.29us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicAndDilutedShare
Basic and diluted net loss per share attributable to Gaiam, Inc. $ (0.41)us-gaap_EarningsPerShareBasicAndDiluted $ (0.99)us-gaap_EarningsPerShareBasicAndDiluted $ (0.57)us-gaap_EarningsPerShareBasicAndDiluted