Notes Payable (Aldagen Inc [Member])	12 Months Ended
Dec. 31, 2011
Aldagen Inc [Member]
Mortgage Notes Payable Disclosure [Text Block]	4. Notes Payable Equipment Loans In 2003, the Company entered into loan and security agreements totaling $500,106, with an interest rate of 8.74% per annum with a venture finance company for the purpose of financing the acquisition of certain equipment. The loan was collateralized by the financed equipment. In conjunction with the loan agreements, the Company issued warrants to purchase a total of 15,003 shares of Series B redeemable convertible preferred stock (Series B Preferred) at $1.00 per share. The Company recorded the warrants at their estimated relative fair value of $10,755 as a debt discount, which was amortized as a component of interest expense over the expected remaining life of the loans using the effective interest method. The loans were repaid in full during 2006. The warrants expired in 2010. In 2004, the Company entered into a $376,056 loan and security agreement, with an interest rate of 8.74% per annum with a venture finance company for the purpose of financing the acquisition of certain equipment. The loan was collateralized by the equipment being financed. In conjunction with the loan agreement, the Company issued a warrant to purchase 11,282 shares of Series B Preferred at $1.00 per share. The Company recorded the warrant at its estimated relative fair value of $8,010 as a debt discount, which was amortized as a component of interest expense over the expected remaining life of the loan using the effective interest method. The loan was repaid in full during 2007. The warrants expired in March 2011. In 2007, the Company entered into a $260,000 loan and security agreement, with an interest rate of 10.61% per annum with a venture finance company for the purpose of financing the acquisition of certain equipment. The loan is collateralized by the financed equipment. The loan is payable in equal monthly installments through March 2011. As of December 31, 2011, the loan and security agreement was fully paid. Term Loan In March 2006, the Company entered into a term loan agreement with a bank, which provided for the Company to borrow up to $1,500,000. The term loan carried interest at a rate equal to the bank’s prime rate plus 1.0% and initially matured on the earlier of July 26, 2006, or the date on which the Company received at least $5,000,000 in new equity financing. The term loan was collateralized by all of the Company’s equipment. In conjunction with the agreement, the Company issued a warrant to purchase 75,000 shares of Series B Preferred at $1.00 per share. The warrant was recorded at its estimated fair value of $55,901 as a debt discount, which was amortized as a component of interest expense over the then expected remaining life of the loan. In addition, $18,559 of debt issuance costs were capitalized as a deferred asset and amortized over the then expected remaining life of the loan using the effective interest method. An amendment to the term loan in July 2006 extended the maturity date through August 2006. A second amendment to the term loan in August 2006 extended the maturity date to November 2006 and increased the borrowing limit to $3,000,000. In conjunction with the second amendment, the Company issued the bank an additional warrant to purchase 75,000 shares of Series B Preferred at $1.00 per share. The warrant was initially recorded at its estimated fair value of $55,923 as a debt discount, which was amortized as a component of interest expense over the then expected remaining life of the loan using the effective interest method. The Company also paid $2,500 in debt issuance costs, which were capitalized as a deferred asset and amortized over the then expected remaining life of the loan. A third amendment to the term loan in November 2006 extended the maturity date to December 2006. A fourth amendment to the term loan in December 2006 further extended the maturity date to May 31, 2010, and delayed required repayments of principal until September 2008. In addition, the interest rate on the outstanding amount from September 30, 2008, through the remaining term of the loan was increased to the bank’s prime rate plus 1.50%. In connection with the fourth amendment, the Company issued to the bank an additional warrant to purchase 45,000 shares of Series B Preferred at $1.00 per share. The warrant was recorded initially at its estimated fair value of $33,410 as an additional debt discount. The Company also paid $7,500 in debt issuance costs, which were capitalized as a deferred asset and amortized over the then expected remaining life of the loan using the effective interest method. A fifth amendment to the term loan in December 2006 excluded certain intellectual property from the collateral for the loan. During 2007, the Company entered into a sixth amendment to the term loan, which decreased the required amount of collateral. From November 30, 2007 through December 21, 2007, the Company was in violation of the loan covenants under the term loan relating to attainment of specified clinical development milestones. A seventh amendment executed in December 2007 extended the date for compliance with the covenants to March 31, 2008. On April 9, 2008, the Company executed an eighth amendment to the Company’s term loan. The amendment reset the interest rate on the loan to the bank’s prime rate plus 1.5% per annum as of the date of the amendment, extended the maturity date of the term loan to September 30, 2009, and delayed the Company’s obligations to begin repayment until January 31, 2009. As amended, the term loan was payable in 17 equal monthly installments of $176,471 plus interest, beginning on January 31, 2009. On April 1, 2009, the Company executed an amended and restated security agreement for the Company’s term loan. The restated agreement reset the interest rate on the loan to the bank’s prime rate plus 2.5% per annum as of the date of the amendment, extended the maturity date of the term loan to August 31, 2010, and delayed the obligations for repayment until April 30, 2009. In conjunction with the loan agreement, the Company was obligated to receive $10,000,000 in cash proceeds from the issuance of new equity on or before April 30, 2009. In addition, the amendment included a $1,000,000 equipment loan subject to advance through September 30, 2009. The interest rate on advances under the equipment loan is equal to the bank’s prime rate plus 3.0% per annum, payable in 30 equal monthly installments commencing October 31, 2009. The Company paid $11,746 in debt issuance costs, which were capitalized as a deferred asset and amortized over the then-expected remaining life of the loan using the effective interest method. As of the date of the amended and restated security agreement, the Company was in violation of loan covenants under the term loan relating to attainment of specified clinical development milestones. On May 27, 2009, the Company executed a first amendment to the restated term loan agreement, which waived certain covenants related to clinical milestones and extended the maturity date of the term loan to September 30, 2010, and delayed the obligations for repayment until August 31, 2009. As amended, the term loan was payable in 14 equal monthly installments of $214,286 plus interest, beginning on August 31, 2009. The Company paid $6,250 in debt issuance costs, which were capitalized as a deferred asset and were being amortized over the then-expected remaining life of the loan using the effective interest method. On July 27, 2009, the Company executed a second amendment to the restated term loan agreement, which waived certain covenants related to clinical milestones and extended the date for compliance with the new equity covenant to September 30, 2009. Included in the agreement was a covenant requiring the Company to maintain a minimum balance of cash with the bank equal to at least the Company’s indebtedness. In connection with the second amendment, the Company issued to the bank a warrant to purchase 38,421 shares of Series C-1 Preferred at $1.0411 per share. The warrant was recorded at its estimated fair value of $31,124 as a debt discount which is being amortized as a component of interest expense over the remaining life of the loan. The Company also paid $5,250 in debt issuance costs, which were capitalized as a deferred asset and were being amortized over the then-expected remaining life of the loan using the effective interest method. On September 30, 2009, the Company executed a third amendment to the restated term loan agreement, which further extended the date for compliance with the new equity covenant to October 31, 2009. The Company paid $2,750 in debt issuance costs, which were capitalized as a deferred asset and are being amortized over the expected remaining life of the loan using the effective interest method. On October 22, 2009, the Company executed a fourth amendment to the restated term loan agreement which reduced the cash proceeds requirement related to the new equity covenant to $7,287,902. The Company paid $1,250 in debt issuance costs, which were capitalized as a deferred asset and are being amortized over the expected remaining life of the loan using the effective interest method. During the year ended December 31, 2010, the term loan was repaid in full. The Company recorded $0, $44,369, and $716,978 in interest expense for the years ended December 31, 2011 and 2010, and for the period from March 3, 2000 (inception) through December 31, 2011, respectively, related to the term loan. All warrants issued to the lender in connection with the term loan expire seven years from their respective dates of issuance. No additional scheduled maturities of notes payable outstanding existed as of December 31, 2011.

Notes Payable (Aldagen Inc [Member])

12 Months Ended

Dec. 31, 2011

Aldagen Inc [Member]

Mortgage Notes Payable Disclosure [Text Block]

4. Notes Payable

Equipment Loans

In 2003, the Company entered into loan and security agreements totaling $500,106, with an interest rate of 8.74% per annum with a venture finance company for the purpose of financing the acquisition of certain equipment. The loan was collateralized by the financed equipment. In conjunction with the loan agreements, the Company issued warrants to purchase a total of 15,003 shares of Series B redeemable convertible preferred stock (Series B Preferred) at $1.00 per share. The Company recorded the warrants at their estimated relative fair value of $10,755 as a debt discount, which was amortized as a component of interest expense over the expected remaining life of the loans using the effective interest method. The loans were repaid in full during 2006. The warrants expired in 2010.

In 2004, the Company entered into a $376,056 loan and security agreement, with an interest rate of 8.74% per annum with a venture finance company for the purpose of financing the acquisition of certain equipment. The loan was collateralized by the equipment being financed. In conjunction with the loan agreement, the Company issued a warrant to purchase 11,282 shares of Series B Preferred at $1.00 per share. The Company recorded the warrant at its estimated relative fair value of $8,010 as a debt discount, which was amortized as a component of interest expense over the expected remaining life of the loan using the effective interest method. The loan was repaid in full during 2007. The warrants expired in March 2011.

In 2007, the Company entered into a $260,000 loan and security agreement, with an interest rate of 10.61% per annum with a venture finance company for the purpose of financing the acquisition of certain equipment. The loan is collateralized by the financed equipment. The loan is payable in equal monthly installments through March 2011. As of December 31, 2011, the loan and security agreement was fully paid.

Term Loan

In March 2006, the Company entered into a term loan agreement with a bank, which provided for the Company to borrow up to $1,500,000. The term loan carried interest at a rate equal to the bank’s prime rate plus 1.0% and initially matured on the earlier of July 26, 2006, or the date on which the Company received at least $5,000,000 in new equity financing. The term loan was collateralized by all of the Company’s equipment. In conjunction with the agreement, the Company issued a warrant to purchase 75,000 shares of Series B Preferred at $1.00 per share. The warrant was recorded at its estimated fair value of $55,901 as a debt discount, which was amortized as a component of interest expense over the then expected remaining life of the loan. In addition, $18,559 of debt issuance costs were capitalized as a deferred asset and amortized over the then expected remaining life of the loan using the effective interest method. An amendment to the term loan in July 2006 extended the maturity date through August 2006.

A second amendment to the term loan in August 2006 extended the maturity date to November 2006 and increased the borrowing limit to $3,000,000. In conjunction with the second amendment, the Company issued the bank an additional warrant to purchase 75,000 shares of Series B Preferred at $1.00 per share. The warrant was initially recorded at its estimated fair value of $55,923 as a debt discount, which was amortized as a component of interest expense over the then expected remaining life of the loan using the effective interest method. The Company also paid $2,500 in debt issuance costs, which were capitalized as a deferred asset and amortized over the then expected remaining life of the loan. A third amendment to the term loan in November 2006 extended the maturity date to December 2006.

A fourth amendment to the term loan in December 2006 further extended the maturity date to May 31, 2010, and delayed required repayments of principal until September 2008. In addition, the interest rate on the outstanding amount from September 30, 2008, through the remaining term of the loan was increased to the bank’s prime rate plus 1.50%. In connection with the fourth amendment, the Company issued to the bank an additional warrant to purchase 45,000 shares of Series B Preferred at $1.00 per share. The warrant was recorded initially at its estimated fair value of $33,410 as an additional debt discount. The Company also paid $7,500 in debt issuance costs, which were capitalized as a deferred asset and amortized over the then expected remaining life of the loan using the effective interest method. A fifth amendment to the term loan in December 2006 excluded certain intellectual property from the collateral for the loan.

During 2007, the Company entered into a sixth amendment to the term loan, which decreased the required amount of collateral. From November 30, 2007 through December 21, 2007, the Company was in violation of the loan covenants under the term loan relating to attainment of specified clinical development milestones. A seventh amendment executed in December 2007 extended the date for compliance with the covenants to March 31, 2008.

On April 9, 2008, the Company executed an eighth amendment to the Company’s term loan. The amendment reset the interest rate on the loan to the bank’s prime rate plus 1.5% per annum as of the date of the amendment, extended the maturity date of the term loan to September 30, 2009, and delayed the Company’s obligations to begin repayment until January 31, 2009. As amended, the term loan was payable in 17 equal monthly installments of $176,471 plus interest, beginning on January 31, 2009.

On April 1, 2009, the Company executed an amended and restated security agreement for the Company’s term loan. The restated agreement reset the interest rate on the loan to the bank’s prime rate plus 2.5% per annum as of the date of the amendment, extended the maturity date of the term loan to August 31, 2010, and delayed the obligations for repayment until April 30, 2009. In conjunction with the loan agreement, the Company was obligated to receive $10,000,000 in cash proceeds from the issuance of new equity on or before April 30, 2009. In addition, the amendment included a $1,000,000 equipment loan subject to advance through September 30, 2009. The interest rate on advances under the equipment loan is equal to the bank’s prime rate plus 3.0% per annum, payable in 30 equal monthly installments commencing October 31, 2009. The Company paid $11,746 in debt issuance costs, which were capitalized as a deferred asset and amortized over the then-expected remaining life of the loan using the effective interest method. As of the date of the amended and restated security agreement, the Company was in violation of loan covenants under the term loan relating to attainment of specified clinical development milestones.

On May 27, 2009, the Company executed a first amendment to the restated term loan agreement, which waived certain covenants related to clinical milestones and extended the maturity date of the term loan to September 30, 2010, and delayed the obligations for repayment until August 31, 2009. As amended, the term loan was payable in 14 equal monthly installments of $214,286 plus interest, beginning on August 31, 2009. The Company paid $6,250 in debt issuance costs, which were capitalized as a deferred asset and were being amortized over the then-expected remaining life of the loan using the effective interest method.

On July 27, 2009, the Company executed a second amendment to the restated term loan agreement, which waived certain covenants related to clinical milestones and extended the date for compliance with the new equity covenant to September 30, 2009. Included in the agreement was a covenant requiring the Company to maintain a minimum balance of cash with the bank equal to at least the Company’s indebtedness. In connection with the second amendment, the Company issued to the bank a warrant to purchase 38,421 shares of Series C-1 Preferred at $1.0411 per share. The warrant was recorded at its estimated fair value of $31,124 as a debt discount which is being amortized as a component of interest expense over the remaining life of the loan. The Company also paid $5,250 in debt issuance costs, which were capitalized as a deferred asset and were being amortized over the then-expected remaining life of the loan using the effective interest method.

On September 30, 2009, the Company executed a third amendment to the restated term loan agreement, which further extended the date for compliance with the new equity covenant to October 31, 2009. The Company paid $2,750 in debt issuance costs, which were capitalized as a deferred asset and are being amortized over the expected remaining life of the loan using the effective interest method.

On October 22, 2009, the Company executed a fourth amendment to the restated term loan agreement which reduced the cash proceeds requirement related to the new equity covenant to $7,287,902. The Company paid $1,250 in debt issuance costs, which were capitalized as a deferred asset and are being amortized over the expected remaining life of the loan using the effective interest method.

During the year ended December 31, 2010, the term loan was repaid in full.

The Company recorded $0, $44,369, and $716,978 in interest expense for the years ended December 31, 2011 and 2010, and for the period from March 3, 2000 (inception) through December 31, 2011, respectively, related to the term loan.

All warrants issued to the lender in connection with the term loan expire seven years from their respective dates of issuance.

No additional scheduled maturities of notes payable outstanding existed as of December 31, 2011.