• Filing Date: 2016-03-30
  • Form Type: 10-K
  • Description: Annual report
v3.3.1.900
SUBSEQUENT EVENTS (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Mar. 11, 2016
Feb. 03, 2015
Mar. 31, 2016
Mar. 16, 2016
Jan. 09, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Stock Issued During Period, Shares, New Issues   1,658,822     2,839,045      
Shares Issued, Price Per Share   $ 4.25     $ 3.523      
Stock Issued During Period, Value, New Issues   $ 7,050,000     $ 10,000,000 $ 16,446,218    
Class of Warrant or Right, Exercise Price of Warrants or Rights           $ 2.27 $ 10.02 $ 17.20
Proceeds from Issuance of Common Stock           $ 16,446,218 $ 0  
Private Placement One [Member]                
Stock Issued During Period, Shares, New Issues   1,658,822     2,839,045      
Common Stock [Member]                
Stock Issued During Period, Shares, New Issues           4,497,867    
Stock Issued During Period, Value, New Issues           $ 4,498    
Subsequent Event [Member]                
Proceeds from Issuance of Common Stock       $ 3,900,000        
Subsequent Event [Member] | California Institute for Regenerative Medicine [Member]                
CIRM Disbursement, Milestone Method, Consideration Recognized $ 1,000,000              
CIRM Grant Award, Value       $ 3,400,000        
Subsequent Event [Member] | Investors [Member]                
Stock Issued During Period, Shares, New Issues       1,692,151        
Shares Issued, Price Per Share       $ 2.40        
Stock Issued During Period, Value, New Issues       $ 4,100,000        
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 4.50        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights       846,073        
Subsequent Event [Member] | Common Stock [Member] | Private Placement One [Member]                
Stock Issued During Period, Shares, New Issues     0          
Shares Issued, Price Per Share     $ 0          
Stock Issued During Period, Value, New Issues     $ 0