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Consolidated Statement of Changes in Stockholders' Equity - USD ($)
Series 1 Convertible Preferred Stock
Series 2 Convertible Preferred Stock
Common Stock
Additional Paid in Capital
Accumulated Deficit
Total
Balance at Dec. 31, 2017 $ 1,197,025 $ 21,952,000 $ 529 $ 22,445,691 $ (39,271,333) $ 6,323,912
Balance, shares at Dec. 31, 2017 239,405 21,952 5,294,501      
Provision for compensation expense related to stock options       133,428   133,428
Issuance of shares and warrants in connection with equity raise     $ 1,000 10,006,500   10,007,500
Issuance of shares and warrants in connection with equity raise, shares     10,000,000      
Offering costs related to equity raise       (1,123,419)   (1,123,419)
Conversion of debt and accrued interest to common shares and warrants     $ 211 2,089,055   2,089,266
Conversion of debt and accrued interest to common shares and warrants, shares     2,110,369      
Warrants issued in connection with amended credit agreement and subsequent issuance of common stock upon exercise of the warrants     $ 18 523,233   523,251
Warrants issued in connection with amended credit agreement and subsequent issuance of common stock upon exercise of the warrants, shares     175,000      
Net income         (9,461,262) (9,461,262)
Balance at Dec. 31, 2018 $ 1,197,025 $ 21,952,000 $ 1,758 34,074,488 (48,732,595) 8,492,676
Balance, shares at Dec. 31, 2018 239,405 21,952 17,579,870      
Provision for compensation expense related to stock options       595,833   595,833
Refund of costs related to equity raise       61,509   61,509
Issuance of warrants in connection with consulting agreement       127,561   127,561
Conversion of preferred stock to common stock $ (341,070)   $ 9 341,061  
Conversion of preferred stock to common stock, shares (68,214)   86,323      
Exercise of stock options into common stock     $ 8 69,398   69,406
Exercise of stock options into common stock, shares     82,667      
Exercise of warrants into common stock     $ 4 43,871   43,875
Exercise of warrants into common stock, shares     35,100      
Net income         577,415 577,415
Balance at Dec. 31, 2019 $ 855,955 $ 21,952,000 $ 1,779 $ 35,313,721 $ (48,155,180) $ 9,968,275
Balance, shares at Dec. 31, 2019 171,191 21,952 17,783,960