Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation - Additional Information (Detail)

v2.4.1.9
Share-Based Compensation - Additional Information (Detail) (USD $)
 12 Months Ended 0 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Oct. 11, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Rate at which options vest and become exercisable per month 2.00%gaia_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisablePercentagePerMonth      
Period over which options vest and become exercisable 50 months      
Stock compensation expense $ 100,000us-gaap_AllocatedShareBasedCompensationExpense $ 100,000us-gaap_AllocatedShareBasedCompensationExpense $ 100,000us-gaap_AllocatedShareBasedCompensationExpense  
Cash from stock options exercised 1,800,000us-gaap_ProceedsFromStockOptionsExercised 800,000us-gaap_ProceedsFromStockOptionsExercised    
Issuance stock upon exercise of options     0us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised  
Weighted-average grant-date fair value of options granted $ 2.98us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue $ 3.14us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue $ 2.39us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue  
Total intrinsic value of options exercised 900,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue 100,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue    
Total fair value of shares vested 600,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1 600,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1 800,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1  
Share-based compensation expense 839,000us-gaap_ShareBasedCompensation 809,000us-gaap_ShareBasedCompensation [1] 913,000us-gaap_ShareBasedCompensation [2]  
Income tax benefit recognized for share-based compensation 300,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 300,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 400,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense  
General and Administrative Expense        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense 800,000us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember 		800,000us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember 		1,000,000us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember 		 
Before Amendment        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted Stock Options expiration date 7 years      
After Amendment        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted Stock Options expiration date 10 years      
Class A Common Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock award agreements, number of shares issued       15,759us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
Restricted stock award agreements, estimated fair value of shares issued       100,000us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
Restricted stock award agreements, percentage vested       100.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
Restricted stock award agreements, vesting date       Apr. 10, 2014
Long Term Incentive Plan 2009        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Plan termination date Apr. 23, 2019      
Long Term Incentive Plan 2009 | Class A Common Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares that may be issued 3,000,000gaia_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesIssuable
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwentyZeroNineMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember 		     
Long Term Incentive Plan, Two Thousand Nine and Nineteen Ninety Nine        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Issuance stock upon exercise of options 354,926us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember 		     
Unrecognized cost related to nonvested shared-based compensation $ 1,600,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember 		     
Expected cost to be recognized over a weighted-average period 3 years 6 months 26 days      
Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense related to share-based payment awards 5 years      
Non Employee Board Member Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense related to share-based payment awards 2 years      
[1] Cash flows in 2013 include the $25.0 million gain from the sale of RGSE stock, the sale of GVE and the discontinuation of the DRTV Business Unit.
[2] Net cash provided by operating activities for discontinued operations during 2012 includes approximately $18.7 million of net cash provided by purchased Vivendi Entertainment ("Vivendi") working capital, which was used to partially fund the acquisition of Vivendi. Excluding the net cash flows from the purchased Vivendi working capital, net cash used by operating activities for discontinued operations would have been zero during 2012.