Annual report pursuant to Section 13 and 15(d)

Summary of Option Activity (Detail)

v2.4.1.9
Summary of Option Activity (Detail) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercised 0us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised  
Long Term Incentive Plan, Two Thousand Nine and Nineteen Ninety Nine    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding at January 1, 2014   1,662,450us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember
Granted   617,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember
Exercised   (354,926)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember
Cancelled or forfeited   (476,340)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember
Outstanding at December 31, 2014   1,448,684us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember
Exercisable at December 31, 2014   615,084us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember
Weighted Average Exercise Price    
Outstanding at January 1, 2014   $ 5.65us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember
Granted   $ 6.54us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember
Exercised   $ 5.09us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember
Cancelled or forfeited   $ 5.64us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember
Outstanding at December 31, 2014   $ 6.17us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember
Exercisable at December 31, 2014   $ 5.79us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember
Weighted Average Remaining Contractual Life (in years)    
Outstanding at December 31, 2014   6 years 3 months 18 days
Exercisable at December 31, 2014   2 years 10 months 24 days
Aggregate Intrinsic Value    
Outstanding at December 31, 2014   $ 1,573,978us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember
Exercisable at December 31, 2014   $ 896,466us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
/ us-gaap_PlanNameAxis
= gaia_LongTermIncentivePlanTwoThousandNineAndNineteenNinetyNineMember