Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

v3.19.1
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
Total
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Deficit [Member]
BALANCE at Dec. 31, 2017 $ 10,754,463 $ 995,782 $ 16 $ 94,107,981 $ (84,349,316)
BALANCE (in shares) at Dec. 31, 2017   18 1,666,144    
Stock-based compensation 173,438 $ 0 $ 0 173,438 0
Vested restricted stock 0 $ 0 $ 0 0 0
Vested restricted stock (in shares)   0 9,333    
Conversion of preferred shares into common shares 0 $ (358,765) $ 1 358,764 0
Conversion of preferred shares into common shares (in shares)   (6.5) 34,690    
Net loss (3,475,823) $ 0 $ 0 0 (3,475,823)
BALANCE at Mar. 31, 2018 7,452,078 $ 637,017 $ 17 94,640,183 (87,825,139)
BALANCE (in shares) at Mar. 31, 2018   11.5 1,710,167    
BALANCE at Dec. 31, 2018 13,260,961 $ 2,526,049 $ 47 108,323,208 (97,588,343)
BALANCE (in shares) at Dec. 31, 2018   473 4,732,387    
Stock-based compensation 207,654 $ 0 $ 0 207,654 0
Vested restricted stock 0 $ 0 $ 0 0 0
Vested restricted stock (in shares)   0 9,334    
Retired shares 0 $ 0 $ 0 0 0
Retired shares (in shares)   0 (12)    
Conversion of preferred shares into common shares 0 $ (736,987) $ 4 736,983 0
Conversion of preferred shares into common shares (in shares)   (138) 345,000    
Net loss (3,621,641) $ 0 $ 0 0 (3,621,641)
BALANCE at Mar. 31, 2019 $ 9,846,974 $ 1,789,062 $ 51 $ 109,267,845 $ (101,209,984)
BALANCE (in shares) at Mar. 31, 2019   335 5,086,709