XML 47 R27.htm IDEA: XBRL DOCUMENT v2.4.1.9
Common Stock Options (Details 2) (USD $)
12 Months Ended
Dec. 31, 2014
Number Outstanding 185,000rcar_NumberOutstanding
Weighted Average Remaining Contractual Life (Years) 9 years 1 month 13 days
Weighted Average Exercise Price $ 0.83us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
Number Exercisable 85,000rcar_NumberExercisable
Weighted Average Remaining Contractual Life (Years) 8 years 11 months 16 days
Weighted Average Exercise Price 0.72rcar_WeightedAverageExercisePrice
$0.50 to $1.00 [Member]  
Number Outstanding 130,000rcar_NumberOutstanding
/ us-gaap_PlanNameAxis
= rcar_StockIncentivePlanOneMember
Weighted Average Remaining Contractual Life (Years) 9 years 26 days
Weighted Average Exercise Price $ 0.74us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_PlanNameAxis
= rcar_StockIncentivePlanOneMember
Number Exercisable 85,000rcar_NumberExercisable
/ us-gaap_PlanNameAxis
= rcar_StockIncentivePlanOneMember
Weighted Average Remaining Contractual Life (Years) 8 years 11 months 16 days
Weighted Average Exercise Price 0.72rcar_WeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= rcar_StockIncentivePlanOneMember
$1.01 to $1.50 [Member]  
Number Outstanding 55,000rcar_NumberOutstanding
/ us-gaap_PlanNameAxis
= rcar_StockIncentivePlanTwoMember
Weighted Average Remaining Contractual Life (Years) 9 years 3 months
Weighted Average Exercise Price $ 1.05us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_PlanNameAxis
= rcar_StockIncentivePlanTwoMember
Number Exercisable 0rcar_NumberExercisable
/ us-gaap_PlanNameAxis
= rcar_StockIncentivePlanTwoMember
Weighted Average Exercise Price