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Stockholders' Equity (Narrative) (Details) (USD $)
1 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended 0 Months Ended 1 Months Ended
Feb. 28, 2014
Mar. 31, 2015
Mar. 31, 2014
Jan. 31, 2015
Aug. 31, 2014
Nov. 30, 2014
May 31, 2014
Mar. 31, 2015
Mar. 31, 2014
May 07, 2015
May 31, 2015
May 18, 2015
May 02, 2014
Feb. 28, 2015
Feb. 20, 2015
Apr. 30, 2015
Apr. 15, 2015
Class of Stock [Line Items]                                  
Common stock, shares authorized   20,833,333us-gaap_CommonStockSharesAuthorized 20,833,333us-gaap_CommonStockSharesAuthorized         20,833,333us-gaap_CommonStockSharesAuthorized 20,833,333us-gaap_CommonStockSharesAuthorized                
Common stock, par value   $ 0.001us-gaap_CommonStockParOrStatedValuePerShare $ 0.001us-gaap_CommonStockParOrStatedValuePerShare         $ 0.001us-gaap_CommonStockParOrStatedValuePerShare $ 0.001us-gaap_CommonStockParOrStatedValuePerShare                
Preferred stock, par value   $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare         $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare                
Preferred stock, shares authorized   2,500,000us-gaap_PreferredStockSharesAuthorized 2,500,000us-gaap_PreferredStockSharesAuthorized         2,500,000us-gaap_PreferredStockSharesAuthorized 2,500,000us-gaap_PreferredStockSharesAuthorized                
Preferred Stock, Dividend Rate, Per-Dollar-Amount   $ 0.96us-gaap_PreferredStockDividendRatePerDollarAmount                              
Rate Of One Share For Each Dividend   $ 4.80cyrx_RateOfOneShareForEachDividend                              
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1           $ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1                  
Interest Payable   $ 24,000us-gaap_InterestPayableCurrentAndNoncurrent           $ 24,000us-gaap_InterestPayableCurrentAndNoncurrent                  
Preferred Stock Dividends, Income Statement Impact   305,328us-gaap_PreferredStockDividendsIncomeStatementImpact 0us-gaap_PreferredStockDividendsIncomeStatementImpact                            
Debt Conversion, Converted Instrument, Amount   0us-gaap_DebtConversionConvertedInstrumentAmount1 4,127,201us-gaap_DebtConversionConvertedInstrumentAmount1                            
Stock Issued During Period, Shares, Issued for Services 150,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices                                
Common Stock, Capital Shares Reserved For Future Issuance   8,810,699us-gaap_CommonStockCapitalSharesReservedForFutureIssuance           8,810,699us-gaap_CommonStockCapitalSharesReservedForFutureIssuance                  
Consultant [Member]                                  
Class of Stock [Line Items]                                  
Stock Issued During Period, Shares, Issued for Services       3,334us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ cyrx_ServicesAxis
= cyrx_ConsultantMember
3,334us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ cyrx_ServicesAxis
= cyrx_ConsultantMember
                       
Allocated Share-based Compensation Expense   17,400us-gaap_AllocatedShareBasedCompensationExpense
/ cyrx_ServicesAxis
= cyrx_ConsultantMember
                             
Other Investors [Member]                                  
Class of Stock [Line Items]                                  
Percentage Of Commission   10.00%cyrx_PercentageOfCommission
/ cyrx_InvestorsAxis
= cyrx_OtherInvestorsMember
                             
Percentage Of Non accountable Finance Fee   3.00%cyrx_PercentageOfNonAccountableFinanceFee
/ cyrx_InvestorsAxis
= cyrx_OtherInvestorsMember
                             
5% Percent Bridge Note Holder [Member]                                  
Class of Stock [Line Items]                                  
Percentage Of Commission   3.00%cyrx_PercentageOfCommission
/ cyrx_InvestorsAxis
= cyrx_FivePercentBridgeNoteHolderMember
                             
Percentage Of Non accountable Finance Fee   1.00%cyrx_PercentageOfNonAccountableFinanceFee
/ cyrx_InvestorsAxis
= cyrx_FivePercentBridgeNoteHolderMember
                             
Preferred Class A [Member]                                  
Class of Stock [Line Items]                                  
Preferred Stock, Liquidation Preference Per Share   $ 12.00us-gaap_PreferredStockLiquidationPreference
/ us-gaap_StatementClassOfStockAxis
= us-gaap_PreferredClassAMember
          $ 12.00us-gaap_PreferredStockLiquidationPreference
/ us-gaap_StatementClassOfStockAxis
= us-gaap_PreferredClassAMember
                 
Stock Issued During Period, Shares, New Issues   291,142us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementClassOfStockAxis
= us-gaap_PreferredClassAMember
                             
Convertible Preferred Stock, Terms of Conversion   The Restated Designation adopted certain special mandatory conversion provisions for the Class A Preferred Stock upon a qualified offering (defined as a public offering resulting in at least $5,000,000 of gross cash proceeds), whereby the Class A Preferred Stock is converted into the type of securities issued in such qualified offering at a twenty percent (20%) discount.                              
Class A convertible preferred stock [Member]                                  
Class of Stock [Line Items]                                  
Preferred stock, par value   $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
$ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
        $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
$ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
      $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
       
Preferred stock, shares authorized   800,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
800,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
        800,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
800,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
      800,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
       
Gross Proceeds from Issuance of Preferred Stock               3,500,000cyrx_GrossProceedsFromIssuanceOfPreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                 
Proceeds from Issuance of Convertible Preferred Stock               2,900,000us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                 
Stock Issued During Period, Shares, New Issues           4,167us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
291,142us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                   
Class Of Warrant Or Right, Number Of Securities Called By Warrants Or Rights   194,095us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
          194,095us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                 
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
          $ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                 
Shares And Warrants Issued Description   The shares and warrants were issued as a unit (a “Unit”) consisting of (i) one share of Class A Convertible Preferred Stock and (ii) one warrant to purchase 0.67 shares of the Company’s common stock at an exercise price of $6.00 per share, which were immediately exercisable and may be exercised at any time on or before March 31, 2019.                              
Warrants Fair Value   3,000,000cyrx_WarrantsFairValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
          3,000,000cyrx_WarrantsFairValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                 
Preferred Stock, Shares Outstanding   454,750us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
0us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
        454,750us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
0us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
               
Preferred Stock Dividends, Income Statement Impact   301,500us-gaap_PreferredStockDividendsIncomeStatementImpact
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                             
Preferred Stock, Redemption Price Per Share   $ 12.00us-gaap_PreferredStockRedemptionPricePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
          $ 12.00us-gaap_PreferredStockRedemptionPricePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                 
Class A convertible preferred stock [Member] | Other Investors [Member]                                  
Class of Stock [Line Items]                                  
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ cyrx_InvestorsAxis
= cyrx_OtherInvestorsMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
          $ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ cyrx_InvestorsAxis
= cyrx_OtherInvestorsMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                 
Reimbursement Of Legal Expense   40,000cyrx_ReimbursementOfLegalExpense
/ cyrx_InvestorsAxis
= cyrx_OtherInvestorsMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                             
Class A convertible preferred stock [Member] | Two Bridge Notes [Member]                                  
Class of Stock [Line Items]                                  
Debt Instrument, Face Amount   220,000us-gaap_DebtInstrumentFaceAmount
/ cyrx_InvestorsAxis
= cyrx_TwoBridgeNotesMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
          220,000us-gaap_DebtInstrumentFaceAmount
/ cyrx_InvestorsAxis
= cyrx_TwoBridgeNotesMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                 
Class A convertible preferred stock [Member] | Emergent Financial Group, Inc. [Member]                                  
Class of Stock [Line Items]                                  
Class of Warrant or Right, Outstanding   106,432us-gaap_ClassOfWarrantOrRightOutstanding
/ cyrx_InvestorsAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
          106,432us-gaap_ClassOfWarrantOrRightOutstanding
/ cyrx_InvestorsAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                 
Class A convertible preferred stock [Member] | 5% Percent Bridge Note Holder [Member]                                  
Class of Stock [Line Items]                                  
Stock Issued During Period, Shares, New Issues   163,608us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ cyrx_InvestorsAxis
= cyrx_FivePercentBridgeNoteHolderMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                             
Class Of Warrant Or Right, Number Of Securities Called By Warrants Or Rights   109,072us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ cyrx_InvestorsAxis
= cyrx_FivePercentBridgeNoteHolderMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
          109,072us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ cyrx_InvestorsAxis
= cyrx_FivePercentBridgeNoteHolderMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                 
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ cyrx_InvestorsAxis
= cyrx_FivePercentBridgeNoteHolderMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
          $ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ cyrx_InvestorsAxis
= cyrx_FivePercentBridgeNoteHolderMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                 
Debt Instrument, Face Amount     1,793,000us-gaap_DebtInstrumentFaceAmount
/ cyrx_InvestorsAxis
= cyrx_FivePercentBridgeNoteHolderMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
          1,793,000us-gaap_DebtInstrumentFaceAmount
/ cyrx_InvestorsAxis
= cyrx_FivePercentBridgeNoteHolderMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
               
Units Issued Per Units To Investors                 $ 12.00cyrx_UnitsIssuedPerUnitsToInvestors
/ cyrx_InvestorsAxis
= cyrx_FivePercentBridgeNoteHolderMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
               
Debt Instrument, Convertible, Conversion Price     $ 10.80us-gaap_DebtInstrumentConvertibleConversionPrice1
/ cyrx_InvestorsAxis
= cyrx_FivePercentBridgeNoteHolderMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
          $ 10.80us-gaap_DebtInstrumentConvertibleConversionPrice1
/ cyrx_InvestorsAxis
= cyrx_FivePercentBridgeNoteHolderMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
               
Debt Conversion, Converted Instrument, Amount   1,743,000us-gaap_DebtConversionConvertedInstrumentAmount1
/ cyrx_InvestorsAxis
= cyrx_FivePercentBridgeNoteHolderMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                             
Class A convertible preferred stock [Member] | Class A Investors [Member]                                  
Class of Stock [Line Items]                                  
Preferred Stock, Shares Outstanding   454,750us-gaap_PreferredStockSharesOutstanding
/ cyrx_InvestorsAxis
= cyrx_ClassInvestorsMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
          454,750us-gaap_PreferredStockSharesOutstanding
/ cyrx_InvestorsAxis
= cyrx_ClassInvestorsMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                 
Class of Warrant or Right, Outstanding   303,167us-gaap_ClassOfWarrantOrRightOutstanding
/ cyrx_InvestorsAxis
= cyrx_ClassInvestorsMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
          303,167us-gaap_ClassOfWarrantOrRightOutstanding
/ cyrx_InvestorsAxis
= cyrx_ClassInvestorsMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
                 
Preferred Class B [Member]                                  
Class of Stock [Line Items]                                  
Preferred Stock, Liquidation Preference Per Share   $ 12.00us-gaap_PreferredStockLiquidationPreference
/ us-gaap_StatementClassOfStockAxis
= us-gaap_PreferredClassBMember
          $ 12.00us-gaap_PreferredStockLiquidationPreference
/ us-gaap_StatementClassOfStockAxis
= us-gaap_PreferredClassBMember
                 
Stock Issued During Period, Shares, New Issues   0us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementClassOfStockAxis
= us-gaap_PreferredClassBMember
                             
Preferred Stock, Dividends Per Share, Declared   $ 0.96us-gaap_PreferredStockDividendsPerShareDeclared
/ us-gaap_StatementClassOfStockAxis
= us-gaap_PreferredClassBMember
                             
Conversion price per dividend   $ 4.80cyrx_ConvertiblePreferredStockConversionPricePerDividend
/ us-gaap_StatementClassOfStockAxis
= us-gaap_PreferredClassBMember
          $ 4.80cyrx_ConvertiblePreferredStockConversionPricePerDividend
/ us-gaap_StatementClassOfStockAxis
= us-gaap_PreferredClassBMember
                 
Preferred Stock, Redemption Price Per Share   $ 12.00us-gaap_PreferredStockRedemptionPricePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_PreferredClassBMember
          $ 12.00us-gaap_PreferredStockRedemptionPricePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_PreferredClassBMember
                 
Series B Preferred Stock [Member]                                  
Class of Stock [Line Items]                                  
Convertible Preferred Stock, Terms of Conversion   Shares of the Class B Preferred stock shall be subject to special mandatory conversion provisions upon a qualified offering (defined as a public offering resulting in at least $5,000,000 of gross cash proceeds), whereby the Class B Preferred Stock is converted into the type of securities issued in such qualified offering at a twenty percent (20%) discount.                              
Class B Convertible Preferred Stock [Member]                                  
Class of Stock [Line Items]                                  
Preferred stock, par value                           $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
$ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
   
Preferred stock, shares authorized                           400,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
400,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
   
Stock Issued During Period, Shares, New Issues   161,709us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
                             
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
          $ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
                 
Shares And Warrants Issued Description   The shares and warrants were issued as a unit (a Unit) consisting of (i) one share of Class B Convertible Preferred Stock and (ii) one warrant to purchase 0.67 shares of the Companys common stock at an exercise price of $6.00per share, which were immediately exercisable and may be exercised at any time on or before May 31, 2020.                              
Warrants Fair Value   1,900,000cyrx_WarrantsFairValue
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
          1,900,000cyrx_WarrantsFairValue
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
                 
Preferred Stock Dividends, Income Statement Impact   3,800us-gaap_PreferredStockDividendsIncomeStatementImpact
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
                             
Gross proceeds from issuance of preferred stock and warrants   1,900,000us-gaap_ProceedsFromIssuanceOrSaleOfEquity
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
                             
Net proceeds from issuance of preferred stock and warrants   1,700,000us-gaap_ProceedsFromIssuanceOfPreferredStockPreferenceStockAndWarrants
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
                             
Class B Convertible Preferred Stock [Member] | Emergent Financial Group, Inc. [Member]                                  
Class of Stock [Line Items]                                  
Class of Warrant or Right, Outstanding   38,115us-gaap_ClassOfWarrantOrRightOutstanding
/ cyrx_InvestorsAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
          38,115us-gaap_ClassOfWarrantOrRightOutstanding
/ cyrx_InvestorsAxis
= cyrx_EmergentFinancialGroupIncMember
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
                 
Class B Convertible Preferred Stock [Member] | Class B Investor [Member]                                  
Class of Stock [Line Items]                                  
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ cyrx_InvestorsAxis
= cyrx_ClassBInvestorMember
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
          $ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ cyrx_InvestorsAxis
= cyrx_ClassBInvestorMember
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
                 
Percentage Of Commission   10.00%cyrx_PercentageOfCommission
/ cyrx_InvestorsAxis
= cyrx_ClassBInvestorMember
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
                             
Percentage Of Non accountable Finance Fee   3.00%cyrx_PercentageOfNonAccountableFinanceFee
/ cyrx_InvestorsAxis
= cyrx_ClassBInvestorMember
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
                             
Reimbursement Of Legal Expense   5,000cyrx_ReimbursementOfLegalExpense
/ cyrx_InvestorsAxis
= cyrx_ClassBInvestorMember
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
                             
Class B Convertible Preferred Stock [Member] | Investor [Member]                                  
Class of Stock [Line Items]                                  
Preferred Stock, Shares Outstanding   161,709us-gaap_PreferredStockSharesOutstanding
/ cyrx_InvestorsAxis
= us-gaap_InvestorMember
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
          161,709us-gaap_PreferredStockSharesOutstanding
/ cyrx_InvestorsAxis
= us-gaap_InvestorMember
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
                 
Class of Warrant or Right, Outstanding   107,806us-gaap_ClassOfWarrantOrRightOutstanding
/ cyrx_InvestorsAxis
= us-gaap_InvestorMember
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
          107,806us-gaap_ClassOfWarrantOrRightOutstanding
/ cyrx_InvestorsAxis
= us-gaap_InvestorMember
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
                 
Subsequent Event [Member]                                  
Class of Stock [Line Items]                                  
Stock Issued During Period, Shares, New Issues                   355,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
             
Subsequent Event [Member] | Preferred Class A [Member]                                  
Class of Stock [Line Items]                                  
Preferred stock, shares authorized             800,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_PreferredClassAMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
                   
Subsequent Event [Member] | Class B Convertible Preferred Stock [Member]                                  
Class of Stock [Line Items]                                  
Preferred stock, shares authorized                               585,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
585,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Stock Issued During Period, Shares, New Issues                     1,667us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
347,637us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
         
Class Of Warrant Or Right, Number Of Securities Called By Warrants Or Rights                       231,758us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
         
Class of Warrant or Right, Exercise Price of Warrants or Rights                       $ 6.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
         
Gross proceeds from issuance of preferred stock and warrants                       4,200,000us-gaap_ProceedsFromIssuanceOrSaleOfEquity
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
         
Net proceeds from issuance of preferred stock and warrants                       $ 3,600,000us-gaap_ProceedsFromIssuanceOfPreferredStockPreferenceStockAndWarrants
/ us-gaap_StatementClassOfStockAxis
= cyrx_ClassBConvertiblePreferredStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember