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STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $)
Total
USD ($)
Series I Class B
Series II Class B
Series IV Class B
Series V Class B
Preferred Stock
Series I Class B
USD ($)
Preferred Stock
Series II Class B
USD ($)
Preferred Stock
Series III Class B
USD ($)
Preferred Stock
Series IV Class B
USD ($)
Preferred Stock
Series V Class B
USD ($)
Common Stock
Additional Paid-in Capital
USD ($)
Retained Deficit
USD ($)
Treasury Stock
USD ($)
Balance at Dec. 31, 2010 $ 38,900,501         $ 144,000 $ 219,700 $ 130,245 $ 552,500 $ 1,232,571   $ 57,674,737 $ (21,053,252)  
Balance (in shares) at Dec. 31, 2010           144,000 219,700 130,245 552,500 1,232,571 23,974,114      
Increase (Decrease) in Stockholders' Equity                            
Exchange of Preferred Stock for Common Stock           (40,500) (41,000)   (10,000) (1,185,964)   1,277,464    
Exchange of Preferred Stock for Common Stock (in shares) 1,277,464 40,500 41,000 10,000 1,185,964 (40,500) (41,000)   (10,000) (1,185,964) 1,277,464      
Purchase of Preferred Stock (1,357,275)                     (1,357,275)    
Recognition of stock option compensation 54,369                     54,369    
Recognition of stock option exercise (in shares)                     67,122      
Dividends (364,625)                     (364,625)    
Net income (loss) 1,418,482                       1,418,482  
Balance at Dec. 31, 2011 38,651,452         103,500 178,700 130,245 542,500 46,607   57,284,670 (19,634,770)  
Balance (in shares) at Dec. 31, 2011           103,500 178,700 130,245 542,500 46,607 25,318,700      
Increase (Decrease) in Stockholders' Equity                            
Recognition of stock option exercise 1,620,701                     1,620,701    
Recognition of stock option exercise (in shares)                     2,000,865      
Dividends (288,063)                     (288,063)    
Repurchase of Common Stock (122,202)                         (122,202)
Repurchase of Common Stock (in shares)                     (67,102)      
Net income (loss) (4,132,892)                       (4,132,892)  
Balance at Dec. 31, 2012 35,728,996         103,500 178,700 130,245 542,500 46,607   58,617,308 (23,767,662) (122,202)
Balance (in shares) at Dec. 31, 2012           103,500 178,700 130,245 542,500 46,607 27,252,463      
Increase (Decrease) in Stockholders' Equity                            
Conversion of Preferred Stock into Common Stock                   (6,607)   6,607    
Conversion of Preferred Stock into Common Stock (in shares)                   (6,607) 6,607      
Recognition of stock option compensation 52,775                     52,775    
Recognition of stock option exercise 536,925                     536,925    
Recognition of stock option exercise (in shares)                     584,450      
Dividends (230,449)                     (230,449)    
Repurchase of Common Stock (974,407)                         (974,407)
Repurchase of Common Stock (in shares)                     (655,818)      
Net income (loss) (6,213,852)                       (6,213,852)  
Balance at Dec. 31, 2013 $ 28,899,988         $ 103,500 $ 178,700 $ 130,245 $ 542,500 $ 40,000   $ 58,983,166 $ (29,981,514) $ (1,096,609)
Balance (in shares) at Dec. 31, 2013           103,500 178,700 130,245 542,500 40,000 27,187,702