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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 | 23,200,000 us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance | 4,071,000 us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance | 23,153,000 us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance |
Deferred tax asset related to Tax Sharing Agreement |  |  |  | 1,600,000 us-gaap_DeferredTaxAssetsNet
Tax deductions recorded to additional paid-in capital as a result of the exercise of stock options |  | 0 us-gaap_DeferredTaxExpenseFromStockOptionsExercised | 500,000 us-gaap_DeferredTaxExpenseFromStockOptionsExercised |
Tax benefits recorded to additional paid-in capital as a result of the exercise of stock options |  | 1,300,000 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions | 700,000 us-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 |  | 300,000 us-gaap_UndistributedEarnings / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |  |
Federal [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Net operating loss |  | 69,000,000 us-gaap_IncomeLossFromContinuingOperations / us-gaap_IncomeTaxAuthorityAxis = gaia_FederalMember |  |
State [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Net operating loss |  | 35,200,000 us-gaap_IncomeLossFromContinuingOperations / us-gaap_IncomeTaxAuthorityAxis = gaia_StateMember |  |
Real Goods Solar |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax expense (benefit) |  |  |  | 6,000,000 gaia_EquityMethodInvestmentIncomeTaxBenefitExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = gaia_RealGoodsSolarMember
Deferred tax asset related to Tax Sharing Agreement |  | $ 1,600,000 us-gaap_DeferredTaxAssetsNet / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = gaia_RealGoodsSolarMember |  |

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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b),(c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Amount of deferred tax expense from write-off of the deferred tax asset related to deductible stock options at exercise. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=32706628&loc=d3e11283-113907 + Details
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- Definition Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4613673-111683 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.13) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The earnings that is allocated to common stock and participating securities to the extent that each security may share in earnings as if all of the earnings for the period had been distributed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 60B -URI http://asc.fasb.org/extlink&oid=7655603&loc=SL5780133-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 60A -URI http://asc.fasb.org/extlink&oid=7655603&loc=SL5780132-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 60 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e2740-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 66 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e2814-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 65 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e2793-109256 + Details
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