Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share Attributable to Gaiam, Inc. Common Shareholders - Additional Information (Detail)

v3.3.0.814
Net Loss Per Share Attributable to Gaiam, Inc. Common Shareholders - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Reconciliation Of Earning Per Share Statement [Line Items]        
Common stock shares excluded from computation of dilutive earnings per share 943,000 645,000 957,000 845,000
Gain on sale of investment   $ 0 $ 0 $ 1,480,000
Increase in net loss per share, excluding impact of gain on sale of investment       $ (0.06)