Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v2.4.1.9
Income Taxes - Additional Information (Detail) (USD $)
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Taxes [Line Items]        
Net operating loss   $ (6,589,000)us-gaap_IncomeLossFromContinuingOperations $ (20,757,000)us-gaap_IncomeLossFromContinuingOperations $ (19,530,000)us-gaap_IncomeLossFromContinuingOperations
Establishment of valuation allowance on net deferred tax assets 23,200,000us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance 4,071,000us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance 23,153,000us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance  
Deferred tax asset related to Tax Sharing Agreement       1,600,000us-gaap_DeferredTaxAssetsNet
Tax deductions recorded to additional paid-in capital as a result of the exercise of stock options   0us-gaap_DeferredTaxExpenseFromStockOptionsExercised 500,000us-gaap_DeferredTaxExpenseFromStockOptionsExercised  
Tax benefits recorded to additional paid-in capital as a result of the exercise of stock options   1,300,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions 700,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions  
Maximum        
Income Taxes [Line Items]        
Ownership percentage in a subsidiary   80.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ us-gaap_RangeAxis
= us-gaap_MaximumMember 		   
Foreign Tax Authority        
Income Taxes [Line Items]        
Undistributed foreign earnings for which provision for U.S. federal and state income taxes made   300,000us-gaap_UndistributedEarnings
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember 		   
Federal [Member]        
Income Taxes [Line Items]        
Net operating loss   69,000,000us-gaap_IncomeLossFromContinuingOperations
/ us-gaap_IncomeTaxAuthorityAxis
= gaia_FederalMember 		   
State [Member]        
Income Taxes [Line Items]        
Net operating loss   35,200,000us-gaap_IncomeLossFromContinuingOperations
/ us-gaap_IncomeTaxAuthorityAxis
= gaia_StateMember 		   
Real Goods Solar        
Income Taxes [Line Items]        
Income tax expense (benefit)       6,000,000gaia_EquityMethodInvestmentIncomeTaxBenefitExpense
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= gaia_RealGoodsSolarMember
Deferred tax asset related to Tax Sharing Agreement   $ 1,600,000us-gaap_DeferredTaxAssetsNet
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= gaia_RealGoodsSolarMember