Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Changes in Stockholders' Equity (Unaudited)

v3.20.1
Condensed Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
Series A Preferred Stock [Member]
Series B Preferred Stock [Member]
Series C Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Other Comprehensive Income / (Loss) [Member]
Total
Balance at Dec. 31, 2018 $ 2,289,324 $ 3,906,931 $ 1,880,000 $ 6,037 $ 71,505,160 $ (70,200,145) $ (923) $ 9,386,384
Balance, shares at Dec. 31, 2018 4,080 5,608 1,880 6,036,562        
Stock-based compensation 146,491 146,491
Conversion of Series B preferred shares into common stock $ (1,816,732) $ 2,005 1,814,727
Conversion of Series B preferred shares into common stock, shares (2,608) 2,005,770        
Conversion of Series C preferred shares into common stock $ (1,640,000) $ 1,000 1,639,000
Conversion of Series C preferred shares into common stock, shares (1,640) 1,000,000        
Unrealized gain (loss) on investment in marketable securities (923) 2,434 1,511
Net loss (4,705,766) (4,705,766)
Balance at Mar. 31, 2019 $ 2,289,324 $ 2,090,199 $ 240,000 $ 9,042 75,105,378 (74,906,834) 1,511 4,828,620
Balance, shares at Mar. 31, 2019 4,080 3,000 240 9,042,332        
Balance at Dec. 31, 2019   $ 1,288,956 $ 240,000 $ 19,108 79,885,078 (80,333,164) 1,099,978
Balance, shares at Dec. 31, 2019   1,850 240 19,108,331        
Stock-based compensation 56,079 56,079
Conversion of Series B preferred shares into common stock $ (1,288,956) $ 1,423 1,287,533
Conversion of Series B preferred shares into common stock, shares (1,850) 1,423,076        
Issuance of common shares from ATM Agreement $ 16,822 4,492,466 4,509,288
Issuance of common shares from ATM Agreement, shares 16,822,062        
Stock issuance costs of ATM Agreement (156,880) (156,880)
Issuance of common shares from exercises of warrants $ 6,050 608,301 614,351
Issuance of common shares from exercises of warrants, shares 6,049,714        
Proceeds from issuance of shares for Aspire equity line $ 1,800 448,200 450,000
Proceeds from issuance of shares for Aspire equity line, shares 1,800,000        
Issuance of shares for settlement of accounts payable $ 511 109,183 109,694
Issuance of shares for settlement of accounts payable, shares 510,680        
Net loss (1,667,372) (1,667,372)
Balance at Mar. 31, 2020 $ 240,000 $ 45,714 $ 86,729,960 $ (82,000,536) $ 5,015,138
Balance, shares at Mar. 31, 2020 240 45,713,863