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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' DEFICIT (UNAUDITED) - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Dec. 31, 2018 $ 11,718 $ 70,651,413 $ (74,596,536) $ (3,933,405)
Balance at ending (in shares) at Dec. 31, 2018 11,718,246      
Net loss (934,716) (934,716)
Costs related to stock offering (64,371) (64,371)
Common stock issued upon exercise of options
Common stock issued upon exercise of options (in shares) 521      
Stock-based compensation expense $ 18 330,769 330,787
Stock-based compensation expense (in shares) 17,619      
Ending balance, value at Mar. 31, 2019 $ 11,736 70,917,811 (75,531,252) (4,601,705)
Balance at ending (in shares) at Mar. 31, 2019 11,736,386      
Beginning balance, value at Dec. 31, 2018 $ 11,718 70,651,413 (74,596,536) (3,933,405)
Balance at ending (in shares) at Dec. 31, 2018 11,718,246      
Net loss       (1,815,883)
Ending balance, value at Jun. 30, 2019 $ 11,820 71,104,418 (76,412,419) (5,296,181)
Balance at ending (in shares) at Jun. 30, 2019 11,820,390      
Beginning balance, value at Mar. 31, 2019 $ 11,736 70,917,811 (75,531,252) (4,601,705)
Balance at ending (in shares) at Mar. 31, 2019 11,736,386      
Net loss (881,167) (881,167)
Costs related to stock offering (55,200) (55,200)
Stock-based compensation expense $ 79 209,488 209,567
Stock-based compensation expense (in shares) 79,054      
Common stock issued as employee compensation $ 5 32,319 32,324
Common stock issued as employee compensation (in shares) 4,950      
Ending balance, value at Jun. 30, 2019 $ 11,820 71,104,418 (76,412,419) (5,296,181)
Balance at ending (in shares) at Jun. 30, 2019 11,820,390      
Beginning balance, value at Dec. 31, 2019 $ 11,819 71,294,629 (79,046,688) $ (7,740,240)
Balance at ending (in shares) at Dec. 31, 2019 11,818,830     11,818,830
Net loss (2,812,519) $ (2,812,519)
Stock-based compensation expense $ 18 347,167 347,185
Stock-based compensation expense (in shares) 18,388      
Ending balance, value at Mar. 31, 2020 $ 11,837 71,641,796 (81,859,207) (10,205,574)
Balance at ending (in shares) at Mar. 31, 2020 11,837,218      
Beginning balance, value at Dec. 31, 2019 $ 11,819 71,294,629 (79,046,688) $ (7,740,240)
Balance at ending (in shares) at Dec. 31, 2019 11,818,830     11,818,830
Net loss       $ (3,409,350)
Ending balance, value at Jun. 30, 2020 $ 11,856 71,830,980 (82,456,038) $ (10,613,202)
Balance at ending (in shares) at Jun. 30, 2020 11,855,606     11,855,606
Beginning balance, value at Mar. 31, 2020 $ 11,837 71,641,796 (81,859,207) $ (10,205,574)
Balance at ending (in shares) at Mar. 31, 2020 11,837,218      
Net loss (596,831) (596,831)
Stock-based compensation expense $ 19 189,184 189,203
Stock-based compensation expense (in shares) 18,388      
Ending balance, value at Jun. 30, 2020 $ 11,856 $ 71,830,980 $ (82,456,038) $ (10,613,202)
Balance at ending (in shares) at Jun. 30, 2020 11,855,606     11,855,606