Equity and Equity-Linked Securities (Details Textual) (USD $)	0 Months Ended	1 Months Ended	9 Months Ended			9 Months Ended				1 Months Ended	3 Months Ended	9 Months Ended	1 Months Ended	3 Months Ended			1 Months Ended			0 Months Ended	9 Months Ended	0 Months Ended		0 Months Ended		3 Months Ended	9 Months Ended
	Feb. 19, 2013	Mar. 31, 2014	Sep. 30, 2014	Dec. 31, 2013		Sep. 30, 2014 Private Placement [Member]	Sep. 30, 2014 Equity Incentive plan 2013 [Member]	Jun. 09, 2014 Equity Incentive plan 2013 [Member] Before Amendment [Member]	Jun. 09, 2014 Equity Incentive plan 2013 [Member] After Amendment [Member]	Mar. 31, 2014 Equity Offering [Member] Private Placement [Member]	Sep. 30, 2014 Long Term and Equity Incentive Plan [Member]	Sep. 30, 2014 Long Term and Equity Incentive Plan [Member]	Mar. 31, 2014 March 2014 Equity Offering [Member]	Jun. 30, 2014 March 2014 Equity Offering [Member]	Dec. 31, 2013 February 2012 Inducement Warrants [Member]	Dec. 31, 2013 February 2012 Aldagen Warrants [Member]	Feb. 28, 2013 Lincoln Park [Member]	Feb. 28, 2013 Worden [Member]	Feb. 19, 2013 Worden [Member]	Feb. 19, 2013 Minimum [Member] Worden [Member]	Sep. 30, 2014 Maximum [Member]	Feb. 19, 2013 Maximum [Member] Worden [Member]	Feb. 19, 2013 February 2013 Worden Warrants [Member]	Feb. 19, 2013 February 2013 Warrants [Member]	Feb. 19, 2013 February 2013 Warrants [Member] Worden Shares [Member]	Sep. 30, 2014 Warrant [Member]	Sep. 30, 2014 Warrant [Member]	Mar. 31, 2014 Warrant [Member]
Schedule of Equity Method Investments [Line Items]
Class Of Warrant Or Right Outstanding			122,771,879	23,019,301	[1]																		250,000		250,000
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
Stock Issued During Period Share Purchase Agreement																	375,000
Stock Issued During Period Additional Shares Issued Under Purchase Agreement																	375,000
Proceeds from Issuance of Private Placement	5,000,000	2,000,000												2,000,000
Share Price	$ 0.55
Placement Fee																								350,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	6,363,638									2,884,615														136,364
Royalty Expense																		500,000
Future Annual Royalty Limitation																				600,000		625,000
Shares Issued In Private Placement Maximum Percentage																	9.99%
Stock Issued During Period Shares Investors	9,090,911
Stock Issued During Period, Shares, New Issues			17,245,245
Condition For Accelerated Purchase By Accredited Investor Minimum Share Price																	$ 0.45
Derivative Liability																												1,100,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period											148,916	2,338,607
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant								3,000,000	18,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value							$ 0.57
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options			2,500,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition			2 years 10 months 24 days																								8 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted																										0	20,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options																										1,800	1,800
Stock Issued During Period, Value, New Issues																	2,400,000
Payments of Stock Issuance Costs													$ 136,000
Ownership Percentage of Issued and Outstanding Common Stock																					9.98%
Stock Issued During Period, Shares, Other						3,846,154				3,846,154
Investment Warrants, Exercise Price	$ 0.75													$ 0.52										$ 120
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 0.52	$ 0.52							$ 0.52									$ 0.70
Class Of Warrant Or Right Exercisable															(354,156)	(634,672)
Class Of Warrant Or Right Exercisable Upon Completion															(826,391)	(1,480,924)
Debt Instrument Warrants Issued For Convertible Notes			25,115,384
Debt Instrument Warrants Issued For Convertible Notes One			1,474,615
Debt Instrument Warrants Issued For Convertible Notes Two			67,500,000
Debt Instrument Warrants Issued For Convertible Notes Three			3,525,000

[1] The December 31, 2013 warrants outstanding figure includes: a) February 2012 Inducement warrants - 30% (354,164) which were immediately exercisable; 70% (826,391) would be exercisable upon successful ALD-401 Stroke trial. (See Note 12 – Subsequent Events for additional details.) b) February 2012 Aldagen warrants - 30% (634,679) which were immediately exercisable; 70% (1,480,924) would be exercisable upon successful ALD-401 Stroke trial. (See Note 12 – Subsequent Events for additional details.)