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STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $)
Total
USD ($)
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 Earnings (Deficit)
USD ($)
Balance at Dec. 31, 2008 $ 42,205,803 $ 144,000 $ 219,700 $ 130,245 $ 552,500 $ 1,238,821   $ 53,952,183 $ (14,031,646)
Balance (in shares) at Dec. 31, 2008   144,000 219,700 130,245 552,500 1,238,821 23,800,064    
Increase (Decrease) in Stockholders' Equity                  
Recognition of stock option compensation 2,111,360             2,111,360  
Recognition of stock option exercise 25,610             25,610  
Recognition of stock option exercise (in shares)             25,085    
Royalty waiver 1,000,000             1,000,000  
Net income (loss) (9,422,300)               (9,422,300)
Balance at Dec. 31, 2009 35,920,473 144,000 219,700 130,245 552,500 1,238,821   57,089,153 (23,453,946)
Balance (in shares) at Dec. 31, 2009   144,000 219,700 130,245 552,500 1,238,821 23,825,149    
Increase (Decrease) in Stockholders' Equity                  
Conversion of Preferred Stock into Common Stock           (6,250)   6,250  
Conversion of Preferred Stock into Common Stock (in shares)           (6,250) 6,250    
Recognition of stock option compensation 1,340,300             1,340,300  
Recognition of stock option exercise 115,600             115,600  
Recognition of stock option exercise (in shares)             142,715    
Payment of dividends (876,566)             (876,566)  
Net income (loss) 2,400,694               2,400,694
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)   (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 exercise 54,369             54,369  
Recognition of stock option exercise (in shares)             67,122    
Payment of 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