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Shareholders' Equity and Debt (Shareholders' Equity) (Details) - USD ($)
1 Months Ended 3 Months Ended
Apr. 30, 2019
Nov. 30, 2017
Mar. 31, 2020
Mar. 31, 2019
Jan. 31, 2016
May 13, 2010
Shareholders' Equity (Textual) [Abstract]            
Repurchase outstanding common shares         $ 10,000,000 $ 10,000,000
Repurchase of shares, value     $ (441,624) $ (703,790)    
Shelf Registration, sale of corporate securities (up to)   $ 100,000,000        
Contribution of cash $ 300,000          
Conversion of intercompany loans payable 700,000          
WinHealth            
Shareholders' Equity (Textual) [Abstract]            
Investment through purchase of shares of CET Stock 1,000,000          
Gloria Pharmaceuticals            
Shareholders' Equity (Textual) [Abstract]            
Cash payments for return of shares $ 800,000          
Restricted Stock            
Shareholders' Equity (Textual) [Abstract]            
Restricted stock granted in period, shares     229,141 222,269    
Director | Restricted Stock            
Shareholders' Equity (Textual) [Abstract]            
Restricted stock awards, vesting period     1 year      
Common stock            
Shareholders' Equity (Textual) [Abstract]            
Repurchase of shares (in shares)     164,876 121,466    
Repurchase of shares, value     $ (441,624) $ (703,790)