CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) (USD $)
Total
Conditionally Redeemable Common Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Common Stock Issuable [Member]
AccumulatedDeficit [Member]
Balance at Dec. 31, 2012 $ 38,003,911 $ 0 $ 9,381 $ 108,485,646 $ 489,100 $ (70,980,216)
Balance (in shares) at Dec. 31, 2012     93,808,386      
Amendment to contingent consideration for Aldagen acquisition 1,006,159 0 0 1,006,159 0 0
Warrants issued for credit and security agreement 580,394 0 0 580,394 0 0
Warrants issued for term loan modification 455,275 0 0 455,275 0 0
Common stock issued for release of security interest in patents 325,693 0 25 325,668 0 0
Common stock issued for release of security interest in patents (in shares)     250,000      
Common stock issued pursuant to equity purchase agreements executed in February 2013 601,945 0 189 601,756 0 0
Common stock issued pursuant to equity purchase agreements executed in February 2013 (in shares)     1,890,261      
Common stock issued upon conversion of 4% Convertible Promissory Note 523,927 0 160 523,767 0 0
Common stock issued upon conversion of 4% Convertible Promissory Note (in shares)     1,600,219      
Common stock issued pursuant to private offering completed in First Quarter 4,057,188 500,000 818 4,056,370 0 0
Common stock issued pursuant to private offering completed in First Quarter (in shares)     9,090,911      
Common stock issued pursuant to equity purchase agreements executed in October 2010 303,000 0 45 302,955 0 0
Common stock issued pursuant to equity purchase agreements executed in October 2010 (in shares)     450,000      
Common stock issued to holder of pre-bankruptcy Series A Preferred stock, pursuant to reorganization plan 0 0 3 39,147 (39,150) 0
Common stock issued to holder of pre-bankruptcy Series A Preferred stock, pursuant to reorganization plan (in shares)     27,000      
Stock-based compensation related to stock, options and warrants issued for services rendered by--            
Employees and Directors 676,185 0 0 676,185 0 0
Other parties 26,678 0 4 44,524 (17,850) 0
Other parties (in shares)     37,500      
Other changes (in shares)     10,578      
Net loss (20,248,360) 0 0 0 0 (20,248,360)
Other changes (1) 0 1 (2) 0 0
Balance at Dec. 31, 2013 26,311,994 500,000 10,626 117,097,844 432,100 (91,228,576)
Balance (in shares) at Dec. 31, 2013     107,164,855      
Common stock issued pursuant to equity purchase agreements executed in February 2013 1,754,565 0 379 1,754,186 0 0
Common stock issued pursuant to equity purchase agreements executed in February 2013 (in shares)     3,793,865      
Common stock issued upon conversion of 4% Convertible Promissory Note 456,762 0 89 456,673 0 0
Common stock issued upon conversion of 4% Convertible Promissory Note (in shares)     886,690      
Common stock issued upon conversion of 10% Convertible Promissory Note 1,375,972 0 598 1,375,374 0 0
Common stock issued upon conversion of 10% Convertible Promissory Note (in shares)     5,981,859      
Common stock issued pursuant to private offering completed in First Quarter 1,911,695 0 384 1,911,311 0 0
Common stock issued pursuant to private offering completed in First Quarter (in shares)     3,846,154      
Warrants issued in connection with private offering completed in First Quarter 2014 (1,121,235) 0 0 (1,121,235) 0 0
Expiration of December 2013 Bridge Note warrant provisions in June 2014 1,331,776 0 0 1,331,776 0 0
Common stock issued to holder of pre-bankruptcy Series A Preferred stock, pursuant to reorganization plan 0 0 3 39,147 (39,150) 0
Common stock issued to holder of pre-bankruptcy Series A Preferred stock, pursuant to reorganization plan (in shares)     27,000      
Common stock issued in connection with the Deerfield Facility 1,050,000 0 271 1,049,729 0 0
Common stock issued in connection with the Deerfield Facility (in shares)     2,709,677      
Common stock issued pursuant to the second amendment to the Aldagen Holding LLC exchange and purchase agreement 0 0 127 (127) 0 0
Common stock issued pursuant to the second amendment to the Aldagen Holding LLC exchange and purchase agreement (in shares)     1,270,000      
Stock-based compensation related to stock, options and warrants issued for services rendered by--            
Stock-based compensation related to stock, options and warrants issued for services rendered 1,279,295 0 0 1,279,295 0 0
Net loss (18,883,272) 0 0 0 0 (18,883,272)
Balance at Dec. 31, 2014 $ 15,467,552 $ 500,000 $ 12,477 $ 125,173,973 $ 392,950 $ (110,111,848)
Balance (in shares) at Dec. 31, 2014     125,680,100