Equity (Details Textual) (USD $)
 0 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended 1 Months Ended 23 Months Ended 1 Months Ended
Feb. 19, 2013
Dec. 31, 2014
Dec. 31, 2013
Jun. 30, 2014
Mar. 31, 2014
Mar. 31, 2014
Apr. 30, 2011
Feb. 28, 2013
Dec. 31, 2014
Nov. 30, 2014
Jun. 09, 2014
Jun. 08, 2014
Apr. 28, 2011
Schedule of Equity Method Investments [Line Items]                          
Class Of Warrant Or Right Outstanding   119,475,736 23,019,301           119,475,736        
Proceeds from Issuance of Private Placement $ 5,000,000                        
Share Price $ 0.55                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 6,363,638                        
Stock Issued During Period, Shares, New Issues 9,090,911                        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   2 years 10 months 24 days                      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options   1,000             1,000        
Investment Warrants, Exercise Price $ 0.75                        
Common Stock, Par or Stated Value Per Share   $ 0.0001 $ 0.0001           $ 0.0001        
Common Stock, Shares Authorized   425,000,000 200,000,000           425,000,000   425,000,000 200,000,000  
Authorized Shares, Common And Preferred                     440,000,000 215,000,000  
Warrants Initial Value   1,100,000             1,100,000        
Proceeds From Issuance Of Common Stock   3,666,260 5,462,132                    
Stock Granted, Value, Share-based Compensation, Gross   1,037,000 712,000                    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized   2,400,000             2,400,000        
Deerfield Facility Agreement [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Stock Issued During Period, Shares, New Issues       1,100,000                  
Stock Issued During Period, Value, New Issues       2,709,677                  
Long Term and Equity Incentive Plan [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value   $ 0.40 $ 0.45                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   8,462,248 1,038,000                    
March 2014 Equity Offering [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Proceeds from Issuance of Private Placement         2,000,000                
Share Price         $ 0.52 $ 0.52              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights         2,884,615 2,884,615              
Stock Issued During Period, Shares, New Issues           3,846,154              
Payments of Stock Issuance Costs           136,000              
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 0.52 $ 0.52              
Warrants Initial Value         1,100,000 1,100,000              
Criteria One [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Warrants Exercisable If Note is Outstanding On Noted Anniversary             57,143            
Criteria Two [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Warrants Exercisable If Note is Outstanding On Noted Anniversary             57,143            
Long Term Incentive Plan [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized   2,416,721             2,416,721   10,500,000    
Equity Incentive Plan [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized   11,345,852             11,345,852   18,000,000    
Lincoln Park [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Common Stock Capital Shares Reserved For Future Issuance Value               15,000,000          
Shares Issuable Under Purchase Agreements               150,000          
Increase In Shares Issuable Under Purchase Agreements               200,000          
Minimum Closing Sale Price Per Share               $ 1.00          
Shares Issued In Private Placement Maximum Percentage               9.99%          
Stock Issued During Period, Shares, New Issues                 5,250,000        
Condition For Accelerated Purchase By Accredited Investor Minimum Share Price               $ 0.45          
Additional Shares Issued Or To Be Issued   375,000                      
Additional Shares To Be Issued Related To Transaction Fee   375,000                      
Additional Shares Issued Related To Transaction Fee   59,126                      
Proceeds From Issuance Of Common Stock                 2,400,000        
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date   Jan. 17, 2015                      
Number Of Shares Available To Issue                 4,750,000        
Value Of Shares Available To Issue                 12,600,000        
JMJ Note [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Note Converted Into Common Shares               100,000          
Debt Instrument Remitted Payment               370,000          
Jp Nevada Trust Note [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Class of Warrant or Right, Number of Securities Called by Warrants or Rights         750,000 750,000 533,334 266,666         1,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 0.52 $ 0.52 0.70 $ 0.70         $ 0.50
Warrants Exercisable             500,000 250,000          
Guarantor Obligations, Current Carrying Value             1,400,000            
Jp Nevada Trust Note [Member] | Criteria One [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Warrants Exercisable If Note is Outstanding On Noted Anniversary             266,667 133,333          
Jp Nevada Trust Note [Member] | Criteria Two [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Warrants Exercisable If Note is Outstanding On Noted Anniversary             107,143 133,333          
Aldagen [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares                   1,270,000      
February 2013 Worden Warrants [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Class Of Warrant Or Right Outstanding               250,000          
Royalty Expense               500,000          
Class of Warrant or Right, Exercise Price of Warrants or Rights               $ 0.70          
February 2013 Warrants [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Placement Fee     402,000                    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     136,364                    
Warrant Exercise Price Percentage     120.00%                    
February 2013 Warrants [Member] | Minimum [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Future Annual Royalty Limitation               600,000          
February 2013 Warrants [Member] | Maximum [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Future Annual Royalty Limitation               $ 625,000          
Warrant [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   6 months                      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted     486,364                    
Common Stock [Member]                          
Schedule of Equity Method Investments [Line Items]                          
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 0.52             $ 0.52