Quarterly report pursuant to Section 13 or 15(d)

Investments - Additional Information (Detail)

v2.4.1.9
Investments - Additional Information (Detail) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Schedule of Equity Method Investments [Line Items]    
Gain from sale of investment $ 0us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal $ 438,000us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal
Real Goods Solar    
Schedule of Equity Method Investments [Line Items]    
Carrying value of investment   0us-gaap_EquityMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= gaia_RealGoodsSolarMember
Real Goods Solar | Class A Common Stock    
Schedule of Equity Method Investments [Line Items]    
Gain from sale of investment   $ 400,000us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= gaia_RealGoodsSolarMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember