XML 76 R62.htm IDEA: XBRL DOCUMENT v3.21.1
STOCKHOLDERS' EQUITY (Details)
 12 Months Ended
Dec. 31, 2020
USD ($)
item
$ / shares
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Dec. 31, 2018
USD ($)
Stock repurchase program      
Number of classes of preferred stock outstanding | item 1    
Dividend paid | $ $ 216,642 $ 219,825 $ 220,450
Stock Redeemed or Called During Period, Value | $ $ 107,250    
Common stock authorized (in shares) | shares 100,000,000 100,000,000  
Common stock outstanding (in shares) | shares 33,957,204 32,674,954  
Preferred Class A      
Stock repurchase program      
Preferred stock authorized (in shares) | shares 5,000,000    
Preferred stock par value (in dollars per share) $ 1.00    
Preferred Class B      
Stock repurchase program      
Preferred stock authorized (in shares) | shares 5,000,000 5,000,000  
Preferred stock par value (in dollars per share) $ 1.00    
Number of series of preferred stock class B | item 2    
Preferred stock, remaining authorized shares to which series have Not been assigned | shares 4,737,055    
Series I, Class B      
Stock repurchase program      
Preferred stock par value (in dollars per share) $ 1    
Preferred stock outstanding (in shares) | shares 0 96,000  
Cumulative annual dividend payable quarterly (in dollars per share) $ 0.50    
Dividend paid | $ $ 48,000 $ 48,625  
Preferred stock dividend in arrears | $ $ 0    
Preferred stock redemption price (in dollars per share) $ 7.50    
Preferred stock conversion ratio 1    
Number of shares of preferred stock converted into common stock | shares 81,700 2,500  
Stock Redeemed or Called During Period, Value | $ $ 107,250    
Amount per share the holders of the preferred stock entitled to in voluntary or involuntary dissolution, liquidation or winding up of the Company (in dollars per share) $ 6.25    
Series II, Class B      
Stock repurchase program      
Preferred stock par value (in dollars per share) $ 1 $ 1  
Preferred stock outstanding (in shares) | shares 156,200 171,200  
Cumulative annual dividend payable quarterly (in dollars per share) $ 1.00    
Dividend paid | $ $ 168,642 $ 171,200  
Preferred stock dividend in arrears | $ $ 0    
Preferred stock redemption price (in dollars per share) $ 15.00    
Preferred stock conversion ratio 1    
Amount per share the holders of the preferred stock entitled to in voluntary or involuntary dissolution, liquidation or winding up of the Company (in dollars per share) $ 12.50    
Number of consecutive quarters in which preferred stockholders have no voting right until dividends are in arrears 12    
Right of preferred stock holders to elect a specified proportion of board of directors 0.33    
Series III Preferred Stock      
Stock repurchase program      
Preferred stock par value (in dollars per share) $ 1 $ 1  
Preferred stock outstanding (in shares) | shares 106,745 129,245  
Cumulative annual dividend payable quarterly (in dollars per share) $ 1.00    
Preferred stock dividend in arrears | $ $ 4,037,000    
Preferred stock redemption price (in dollars per share) $ 15.00    
Preferred stock conversion ratio 1    
Number of shares of preferred stock converted into common stock | shares 22,500    
Exchanged for Common Stock | shares 22,500    
Amount per share the holders of the preferred stock entitled to in voluntary or involuntary dissolution, liquidation or winding up of the Company (in dollars per share) $ 12.50    
Series IV Preferred Stock      
Stock repurchase program      
Preferred stock par value (in dollars per share) $ 1 $ 1  
Preferred stock outstanding (in shares) | shares 0 342,500  
Cumulative annual dividend payable quarterly (in dollars per share) $ 1.00    
Preferred stock dividend in arrears | $ $ 101,000    
Preferred stock redemption price (in dollars per share) $ 11.00    
Preferred stock conversion ratio 1    
Exchanged for Common Stock | shares 342,500    
Amount per share the holders of the preferred stock entitled to in voluntary or involuntary dissolution, liquidation or winding up of the Company (in dollars per share) $ 11.00    
Series V Preferred Stock      
Stock repurchase program      
Preferred stock par value (in dollars per share) $ 1 $ 1  
Preferred stock outstanding (in shares) | shares 0 34,000  
Cumulative annual dividend payable quarterly (in dollars per share) $ 0.32    
Preferred stock dividend in arrears | $ $ 830,000    
Preferred stock redemption price (in dollars per share) $ 4.40    
Number of shares of preferred stock converted into common stock | shares 0 6,000  
Exchanged for Common Stock | shares 34,000    
Amount per share the holders of the preferred stock entitled to in voluntary or involuntary dissolution, liquidation or winding up of the Company (in dollars per share) $ 4.40    
Preferred Class C      
Stock repurchase program      
Preferred stock authorized (in shares) | shares 5,000,000    
Preferred stock par value (in dollars per share) $ 1.00    
Common Stock      
Stock repurchase program      
Common stock authorized (in shares) | shares 100,000,000 100,000,000  
Common stock no par value (in dollars per share) $ 0 $ 0  
Common stock outstanding (in shares) | shares 33,957,204 32,674,954  
Number of shares issued for convertible preferred stock | shares 462,395