Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited)

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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($)
Series A Preferred Stock
Series B Preferred Stock
Series C Preferred Stock
Common Stock
Additional Paid-in Capital
Treasury Stock
Accumulated Deficit
Total
Beginning balance (in shares) at Mar. 31, 2019 500,000 1,160,240 2,318,012 42,758,630        
Beginning balance at Mar. 31, 2019 $ 500 $ 1,200 $ 2,300 $ 42,800 $ 192,129,900 $ (3,968,100) $ (181,133,400) $ 7,075,200
Accrued dividends on Series B Preferred stock         (302,500)     (302,500)
Stock-based compensation expense         1,063,000     1,063,000
Net loss (6,209,900) (6,209,900)
Ending balance (in shares) at Jun. 30, 2019 500,000 1,160,240 2,318,012 42,758,630        
Ending balance at Jun. 30, 2019 $ 500 $ 1,200 $ 2,300 $ 42,800 192,890,400 (3,968,100) (187,343,300) 1,625,800
Beginning balance (in shares) at Mar. 31, 2020 500,000 1,160,240 2,318,012 49,348,707        
Beginning balance at Mar. 31, 2020 $ 500 $ 1,200 $ 2,300 $ 49,300 200,092,800 (3,968,100) (201,907,400) (5,729,400)
Proceeds from sale of units of common stock and warrants for cash in private placement (in shares)       125,000        
Proceeds from sale of units of common stock and warrants for cash in private placement       $ 200 49,800     50,000
Net proceeds from sale of common stock under equity line (in shares)       6,201,995        
Net proceeds from sale of common stock under equity line       $ 6,200 2,741,300     2,747,500
Issuance of common stock at fair value for professional services (in shares)       233,645        
Issuance of common stock at fair value for professional services       $ 200 124,800     125,000
Sale of common stock pursuant to 2019 Employee Stock Purchase Plan (in shares)       28,125        
Sale of common stock pursuant to 2019 Employee Stock Purchase Plan         12,600     12,600
Expenses related to S-3 registration statement for shares underlying outstanding warrants         (29,400)     (29,400)
Accrued dividends on Series B Preferred stock         (335,800)     (335,800)
Stock-based compensation expense         674,600     674,600
Net loss (3,126,800) (3,126,800)
Ending balance (in shares) at Jun. 30, 2020 500,000 1,160,240 2,318,012 55,937,472        
Ending balance at Jun. 30, 2020 $ 500 $ 1,200 $ 2,300 $ 55,900 $ 20,330,700 $ (3,968,100) $ (205,034,200) $ (5,611,700)