Net Loss Per Share Attributable to Gaiam, Inc. Common Shareholders - Additional Information (Detail)	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Common stock shares excluded from computation of dilutive earnings per share	888,000	1,518,000

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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