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Convertible Debentures Payable (Narrative) (Details) (USD $)
 3 Months Ended 9 Months Ended 12 Months Ended 1 Months Ended 2 Months Ended 3 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Jun. 13, 2014
Oct. 31, 2013
Aug. 31, 2013
Jun. 30, 2014
Debt Instrument [Line Items]                    
Accrued interest $ 24,000us-gaap_InterestPayableCurrentAndNoncurrent   $ 24,000us-gaap_InterestPayableCurrentAndNoncurrent              
Warrants issued to purchase shares 2,234,240us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights   2,234,240us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights              
Debt conversion, principal and interest converted     0us-gaap_DebtConversionConvertedInstrumentAmount1 4,127,202us-gaap_DebtConversionConvertedInstrumentAmount1 4,127,201us-gaap_DebtConversionConvertedInstrumentAmount1 0us-gaap_DebtConversionConvertedInstrumentAmount1        
Debt interest expense     826,900us-gaap_InterestExpenseDebt              
Principal amount 1,793,000us-gaap_DebtInstrumentFaceAmount   1,793,000us-gaap_DebtInstrumentFaceAmount              
Interest rate 5.00%us-gaap_DebtInstrumentInterestRateStatedPercentage   5.00%us-gaap_DebtInstrumentInterestRateStatedPercentage              
Debt conversion, conversion price $ 10.80us-gaap_DebtInstrumentConvertibleConversionPrice1   $ 10.80us-gaap_DebtInstrumentConvertibleConversionPrice1              
Debt conversion expense 0us-gaap_InducedConversionOfConvertibleDebtExpense 552,750us-gaap_InducedConversionOfConvertibleDebtExpense 0us-gaap_InducedConversionOfConvertibleDebtExpense 13,713,767us-gaap_InducedConversionOfConvertibleDebtExpense 13,713,767us-gaap_InducedConversionOfConvertibleDebtExpense 0us-gaap_InducedConversionOfConvertibleDebtExpense        
Exercise price $ 0.50us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1   $ 0.50us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1              
Repayments of Convertible Debt     50,000us-gaap_RepaymentsOfConvertibleDebt 0us-gaap_RepaymentsOfConvertibleDebt 0us-gaap_RepaymentsOfConvertibleDebt 82,800us-gaap_RepaymentsOfConvertibleDebt        
5% Bridge Notes [Member]                    
Debt Instrument [Line Items]                    
Accrued interest         14,100us-gaap_InterestPayableCurrentAndNoncurrent
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		          
Warrants issued to purchase shares 896,500us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		   896,500us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		   896,500us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		          
Debt conversion, principal and interest converted     1,743,000us-gaap_DebtConversionConvertedInstrumentAmount1
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		              
Warrants expiration date         Dec. 31, 2018          
Debt interest expense     184,700us-gaap_InterestExpenseDebt
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		   94,300us-gaap_InterestExpenseDebt
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		          
Principal amount 1,793,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		   1,793,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		   1,793,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		          
Due date         Jun. 30, 2014          
Fair value of warrants 279,100us-gaap_WarrantsNotSettleableInCashFairValueDisclosure
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		   279,100us-gaap_WarrantsNotSettleableInCashFairValueDisclosure
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		   279,100us-gaap_WarrantsNotSettleableInCashFairValueDisclosure
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		          
Interest rate         5.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		          
Warrants, exercisable date         May 31, 2014          
Percentage of Offering Price on Conversion Price     90.00%cyrx_PercentageOfOfferingPriceOnConversionPrice
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		              
Exercise price $ 0.49us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		   $ 0.49us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		   $ 0.49us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		          
Repayments of Convertible Debt     50,753us-gaap_RepaymentsOfConvertibleDebt
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		              
GBR Investments, LLC [Member] | 5% Bridge Notes [Member]                    
Debt Instrument [Line Items]                    
Notes issued         100,000us-gaap_NotesIssued1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_GbrInvestmentsLlcMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		          
Warrants issued to purchase shares               1,911,259us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_GbrInvestmentsLlcMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		    
Exercise price               $ 0.20us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_GbrInvestmentsLlcMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		    
Emergent Financial Group, Inc. [Member] | 5% Bridge Notes [Member]                    
Debt Instrument [Line Items]                    
Debt conversion, principal and interest converted             1,743,000us-gaap_DebtConversionConvertedInstrumentAmount1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		      
Debt interest expense         385,400us-gaap_InterestExpenseDebt
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		 8,700us-gaap_InterestExpenseDebt
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		        
Interest rate                   5.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember
Percentage of Offering Price on Conversion Price         90.00%cyrx_PercentageOfOfferingPriceOnConversionPrice
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		          
Percentage of Commission on Principal Balance of Notes     9.00%cyrx_PercentageOfCommissionOnPrincipalBalanceOfNotes
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		   9.00%cyrx_PercentageOfCommissionOnPrincipalBalanceOfNotes
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		          
Debt financing costs     151,570us-gaap_DebtIssuanceCosts
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		   375,900us-gaap_DebtIssuanceCosts
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		 116,500us-gaap_DebtIssuanceCosts
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		        
Amortization of Financing Costs     98,400us-gaap_AmortizationOfFinancingCosts
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		              
Emergent Financial Group, Inc. [Member] | Other Current Assets [Member] | 5% Bridge Notes [Member]                    
Debt Instrument [Line Items]                    
Debt financing costs         98,400us-gaap_DebtIssuanceCosts
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherCurrentAssetsMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		 107,800us-gaap_DebtIssuanceCosts
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherCurrentAssetsMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember		        
Jerrell Shelton [Member] | 5% Bridge Notes [Member]                    
Debt Instrument [Line Items]                    
Notes issued         120,000us-gaap_NotesIssued1
/ us-gaap_ShortTermDebtTypeAxis
= cyrx_FivePercentageBridgeNotesMember
/ us-gaap_TitleOfIndividualAxis
= cyrx_JerrellSheltonMember		          
Bridge Notes [Member]                    
Debt Instrument [Line Items]                    
Notes issued                 400,000us-gaap_NotesIssued1
/ us-gaap_DebtInstrumentAxis
= cyrx_BridgeNotesMember		  
Warrants issued to purchase shares                 1,797,457us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_DebtInstrumentAxis
= cyrx_BridgeNotesMember		  
Debt conversion, principal and interest converted               4,127,202us-gaap_DebtConversionConvertedInstrumentAmount1
/ us-gaap_DebtInstrumentAxis
= cyrx_BridgeNotesMember		    
Debt interest expense         199,200us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= cyrx_BridgeNotesMember		 0us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= cyrx_BridgeNotesMember		        
Fair value of warrants                 199,200us-gaap_WarrantsNotSettleableInCashFairValueDisclosure
/ us-gaap_DebtInstrumentAxis
= cyrx_BridgeNotesMember		  
Interest rate                 8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= cyrx_BridgeNotesMember		  
Debt conversion, number of units issued               20,636,011us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
/ us-gaap_DebtInstrumentAxis
= cyrx_BridgeNotesMember		    
Debt conversion, conversion price               $ 0.20us-gaap_DebtInstrumentConvertibleConversionPrice1
/ us-gaap_DebtInstrumentAxis
= cyrx_BridgeNotesMember		    
Debt conversion, converted units description               (i) one share of common stock of the Company (Common Stock) and (ii) one warrant to purchase one share of Common Stock at an exercise price of $0.37 per share    
Warrants, exercisable date               Mar. 31, 2014    
2013 Bridge Note [Member]                    
Debt Instrument [Line Items]                    
Principal amount         1,294,500us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= cyrx_TwoThousandThirteenBridgeNoteMember		          
2014 Bridge Note [Member]                    
Debt Instrument [Line Items]                    
Principal amount         2,765,301us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= cyrx_TwoThousandFourteenBridgeNoteMember		          
2013 and 2014 Bridge Notes [Member]                    
Debt Instrument [Line Items]                    
Accrued interest         0us-gaap_InterestPayableCurrentAndNoncurrent
/ us-gaap_DebtInstrumentAxis
= cyrx_TwoThousandThirteenAndFourteenBridgeNotesMember		 9,900us-gaap_InterestPayableCurrentAndNoncurrent
/ us-gaap_DebtInstrumentAxis
= cyrx_TwoThousandThirteenAndFourteenBridgeNotesMember		        
Principal amount         $ 4,059,801us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= cyrx_TwoThousandThirteenAndFourteenBridgeNotesMember		          
Due date         Dec. 31, 2013          
2013 and 2014 Bridge Notes [Member] | January 31 2013 [Member]                    
Debt Instrument [Line Items]                    
Interest rate during period         15.00%us-gaap_DebtInstrumentInterestRateDuringPeriod
/ cyrx_DateOfIssuanceAxis
= cyrx_January312013Member
/ us-gaap_DebtInstrumentAxis
= cyrx_TwoThousandThirteenAndFourteenBridgeNotesMember		          
2013 and 2014 Bridge Notes [Member] | February 01 2013 [Member]                    
Debt Instrument [Line Items]                    
Interest rate during period         5.00%us-gaap_DebtInstrumentInterestRateDuringPeriod
/ cyrx_DateOfIssuanceAxis
= cyrx_February012013Member
/ us-gaap_DebtInstrumentAxis
= cyrx_TwoThousandThirteenAndFourteenBridgeNotesMember		          
2013 and 2014 Bridge Notes [Member] | Maximum [Member]                    
Debt Instrument [Line Items]                    
Exercise price                 $ 0.29us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_DebtInstrumentAxis
= cyrx_TwoThousandThirteenAndFourteenBridgeNotesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		  
2013 and 2014 Bridge Notes [Member] | Minimum [Member]                    
Debt Instrument [Line Items]                    
Exercise price                 $ 0.19us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_DebtInstrumentAxis
= cyrx_TwoThousandThirteenAndFourteenBridgeNotesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember