XML 86 R34.htm IDEA: XBRL DOCUMENT v3.20.1
Note 1 - Description of Business, Going Concern and Basis of Presentation (Details Textual)
12 Months Ended
Jun. 04, 2019
Jan. 01, 2019
USD ($)
Dec. 31, 2019
USD ($)
shares
Jun. 30, 2019
shares
Dec. 31, 2018
USD ($)
shares
Mar. 31, 2017
USD ($)
Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance     $ 530,000   $ (1,711,000)  
Reorganization of Subsidiary and Related Change in Non-controlling Interest          
Common Stock, Shares Authorized | shares     350,000,000 350,000,000 350,000,000  
Cash and Cash Equivalents, at Carrying Value, Ending Balance     $ 3,157,000   $ 2,400,000  
Working Capital     3,176,000      
Retained Earnings (Accumulated Deficit), Ending Balance     (236,932,000)   $ (227,435,000)  
Boyalife Investment Fund II, Inc. [Member] | Revolving Credit Facility [Member]            
Long-term Line of Credit, Total     8,713,000      
Line of Credit Facility, Maximum Borrowing Capacity     10,000,000     $ 10,000,000
Reverse Stock Split [Member]            
Stockholders' Equity Note, Stock Split, Conversion Ratio 10          
Noncontrolling Interest [Member]            
Reorganization of Subsidiary and Related Change in Non-controlling Interest   $ 2,843,000 $ 2,843,000      
CAR-TXpress [Member]            
Noncontrolling Interest, Ownership Percentage by Parent   80.00% 80.00%      
Minority Interest Acquired Through Exchange   20.00%        
Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance   $ 1,100,000        
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners     20.00%      
ThermoGenesis [Member]            
Noncontrolling Interest, Ownership Percentage by Parent   100.00%        
Ownership in Subsidiary Exchanged   20.00%        
Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance   $ (1,711,000)