Annual report pursuant to Section 13 and 15(d)

Schedule of Issued Shares of Class A common stock Under 2009 Long-Term Incentive Plan (Detail)

v2.4.1.9
Schedule of Issued Shares of Class A common stock Under 2009 Long-Term Incentive Plan (Detail)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Schedule Of Employee Incentive Compensation Plans Disclosures [Line Items]      
Shares issued to employees upon exercise of stock options     0us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
2009 Long-Term Incentive Plan [Member] | Class A Common Stock | Independent Directors Compensation Plan [Member]      
Schedule Of Employee Incentive Compensation Plans Disclosures [Line Items]      
Shares issued to independent directors for services rendered, in lieu of cash compensation 19,542us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_AwardTypeAxis
= gaia_TwoThousandAndNineStockIncentivePlanMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_TitleOfIndividualAxis
= gaia_IndependentDirectorsCompensationPlanMember
49,187us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_AwardTypeAxis
= gaia_TwoThousandAndNineStockIncentivePlanMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_TitleOfIndividualAxis
= gaia_IndependentDirectorsCompensationPlanMember
32,620us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_AwardTypeAxis
= gaia_TwoThousandAndNineStockIncentivePlanMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_TitleOfIndividualAxis
= gaia_IndependentDirectorsCompensationPlanMember
2009 Long-Term Incentive Plan [Member] | Class A Common Stock | Stock Option      
Schedule Of Employee Incentive Compensation Plans Disclosures [Line Items]      
Shares issued to employees upon exercise of stock options 354,926us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_AwardTypeAxis
= gaia_TwoThousandAndNineStockIncentivePlanMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_EmployeeStockOptionMember
160,470us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_AwardTypeAxis
= gaia_TwoThousandAndNineStockIncentivePlanMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_EmployeeStockOptionMember