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Consolidated Statements of Preferred Stock and Stockholders' Deficit - USD ($)
Common Stock
Preferred Stock
Redeemable Convertible Preferred Stock.
Preferred Stock
Additional Paid-In Capital
Accumulated Deficit
Total
Balance at the beginning at Dec. 31, 2018     $ 72,155,654      
Balance at the beginning (in shares) at Dec. 31, 2018     20,335,871      
Increase (Decrease) in Temporary Equity [Roll Forward]            
Preferred issuance, net of issuance costs     $ 34,728,457      
Preferred issuance, net of issuance costs (in shares)     12,317,871      
Balance at the end at Dec. 31, 2019   $ 106,884,111 $ 106,884,111     $ 106,884,111
Balance at the end (in shares) at Dec. 31, 2019   32,653,742 32,653,742     32,653,742
Balance at the beginning at Dec. 31, 2018 $ 827     $ 941,902 $ (57,492,746) $ (56,550,017)
Balance at the beginning (in shares) at Dec. 31, 2018 8,273,865          
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock-based compensation expense       392,566   392,566
Proceeds from option exercises $ 12     39,851   $ 39,863
Proceeds from option exercises (in shares) 122,560         122,560
Net loss           $ (18,468,776)
Balance at the end at Dec. 31, 2019 $ 839     1,374,319 (75,961,522) (74,586,364)
Balance at the end (in shares) at Dec. 31, 2019 8,396,425          
Balance at the end at Mar. 31, 2020   $ 106,884,111        
Balance at the end (in shares) at Mar. 31, 2020   32,653,742        
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock-based compensation expense       32,414   32,414
Proceeds from option exercises $ 2     16,937   16,939
Proceeds from option exercises (in shares) 13,284          
Balance at the end at Mar. 31, 2020 $ 841     1,423,669 (81,822,329) (80,397,819)
Balance at the end (in shares) at Mar. 31, 2020 8,409,709          
Balance at the beginning at Dec. 31, 2019   $ 106,884,111 $ 106,884,111     $ 106,884,111
Balance at the beginning (in shares) at Dec. 31, 2019   32,653,742 32,653,742     32,653,742
Increase (Decrease) in Temporary Equity [Roll Forward]            
Preferred issuance, net of issuance costs     $ 39,860,073      
Preferred issuance, net of issuance costs (in shares)     9,038,488      
Treasury stock     $ (3,657,913)      
Treasury stock (in shares)     (104,862)      
Balance at the end at Dec. 31, 2020   $ 143,086,271 $ 143,086,271     $ 143,086,271
Balance at the end (in shares) at Dec. 31, 2020   41,587,368 41,587,368     41,587,368
Balance at the beginning at Dec. 31, 2019 $ 839     1,374,319 (75,961,522) $ (74,586,364)
Balance at the beginning (in shares) at Dec. 31, 2019 8,396,425          
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock-based compensation expense       122,032   122,032
Proceeds from option exercises $ 17     131,785   $ 131,802
Proceeds from option exercises (in shares) 164,886         164,886
Treasury stock       (17,087)   $ (17,087)
Treasury stock (in shares) (5,796,214)          
Net loss           (31,674,084)
Balance at the end at Dec. 31, 2020 $ 856     1,611,049 (107,747,243) $ (106,135,338)
Balance at the end (in shares) at Dec. 31, 2020 2,765,097          
Balance at the beginning at Mar. 31, 2020   $ 106,884,111        
Balance at the beginning (in shares) at Mar. 31, 2020   32,653,742        
Balance at the end at Jun. 30, 2020   $ 106,884,111        
Balance at the end (in shares) at Jun. 30, 2020   32,653,742       32,653,742
Balance at the beginning at Mar. 31, 2020 $ 841     1,423,669 (81,822,329) $ (80,397,819)
Balance at the beginning (in shares) at Mar. 31, 2020 8,409,709          
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock-based compensation expense       (135,966)   (135,966)
Proceeds from option exercises $ 5     56,047   56,052
Proceeds from option exercises (in shares) 59,033          
Balance at the end at Jun. 30, 2020 $ 846     1,343,750 (87,739,276) (86,394,680)
Balance at the end (in shares) at Jun. 30, 2020 8,468,742          
Balance at the beginning at Dec. 31, 2020   $ 143,086,271 $ 143,086,271     $ 143,086,271
Balance at the beginning (in shares) at Dec. 31, 2020   41,587,368 41,587,368     41,587,368
Balance at the end at Mar. 31, 2021   $ 143,086,271        
Balance at the end (in shares) at Mar. 31, 2021   41,587,368        
Balance at the beginning at Dec. 31, 2020 $ 856     1,611,049 (107,747,243) $ (106,135,338)
Balance at the beginning (in shares) at Dec. 31, 2020 2,765,097          
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock-based compensation expense       225,623   225,623
Proceeds from option exercises $ 51     331,740   331,791
Proceeds from option exercises (in shares) 506,707          
Balance at the end at Mar. 31, 2021 $ 907     2,168,412 (114,572,770) (112,403,451)
Balance at the end (in shares) at Mar. 31, 2021 3,271,804          
Balance at the beginning at Dec. 31, 2020   $ 143,086,271 $ 143,086,271     $ 143,086,271
Balance at the beginning (in shares) at Dec. 31, 2020   41,587,368 41,587,368     41,587,368
Balance at the end at Jun. 30, 2021           $ 143,086,271
Balance at the end (in shares) at Jun. 30, 2021   41,587,368       41,587,368
Balance at the beginning at Dec. 31, 2020 $ 856     1,611,049 (107,747,243) $ (106,135,338)
Balance at the beginning (in shares) at Dec. 31, 2020 2,765,097          
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Proceeds from option exercises (in shares)           1,723,319
Balance at the end at Jun. 30, 2021 $ 1,028 $ 143,086,271   3,663,679 (122,287,890) $ (118,623,183)
Balance at the end (in shares) at Jun. 30, 2021 4,488,416          
Balance at the beginning at Mar. 31, 2021   $ 143,086,271        
Balance at the beginning (in shares) at Mar. 31, 2021   41,587,368        
Balance at the end at Jun. 30, 2021           $ 143,086,271
Balance at the end (in shares) at Jun. 30, 2021   41,587,368       41,587,368
Balance at the beginning at Mar. 31, 2021 $ 907     2,168,412 (114,572,770) $ (112,403,451)
Balance at the beginning (in shares) at Mar. 31, 2021 3,271,804          
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock-based compensation expense       689,494   689,494
Proceeds from option exercises $ 121     805,773   805,894
Proceeds from option exercises (in shares) 1,216,612          
Balance at the end at Jun. 30, 2021 $ 1,028 $ 143,086,271   $ 3,663,679 $ (122,287,890) $ (118,623,183)
Balance at the end (in shares) at Jun. 30, 2021 4,488,416