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Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
Common Stock [Member]
Treasury Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Outstanding (in shares) 39,747,659 (12,253,502)      
Balance $ 39,748 $ (18,929,915) $ 98,013,079 $ (50,676,351) $ 28,446,561
Outstanding (in shares) at Dec. 31, 2020 39,747,659 (12,253,502)      
Balance at Dec. 31, 2020 $ 39,748 $ (18,929,915) 98,013,079 (50,676,351) 28,446,561
Stock-based compensation expense $ 0 $ 0 421,071 0 421,071
Issuance of common stock upon exercise of stock options (in shares) 60,000 0      
Issuance of common stock upon exercise of stock options $ 60 $ 0 115,740 0 115,800
Net loss $ 0 $ 0 0 (3,294,949) (3,294,949)
Outstanding (in shares) at Mar. 31, 2021 39,807,659 (12,253,502)      
Balance at Mar. 31, 2021 $ 39,808 $ (18,929,915) 98,549,890 (53,971,300) 25,688,483
Outstanding (in shares) at Dec. 31, 2020 39,747,659 (12,253,502)      
Balance at Dec. 31, 2020 $ 39,748 $ (18,929,915) 98,013,079 (50,676,351) 28,446,561
Issuance of common stock upon exercise of stock options (in shares) 585,000        
Net loss         (8,856,391)
Outstanding (in shares) at Sep. 30, 2021 40,332,659 (12,253,502)      
Balance at Sep. 30, 2021 $ 40,333 $ (18,929,915) 100,322,444 (59,532,742) 21,900,120
Outstanding (in shares) 39,807,659 (12,253,502)      
Balance $ 39,808 $ (18,929,915) 98,549,890 (53,971,300) 25,688,483
Outstanding (in shares) at Mar. 31, 2021 39,807,659 (12,253,502)      
Balance at Mar. 31, 2021 $ 39,808 $ (18,929,915) 98,549,890 (53,971,300) 25,688,483
Stock-based compensation expense $ 0 $ 0 446,120 0 446,120
Issuance of common stock upon exercise of stock options (in shares) 525,000 0      
Issuance of common stock upon exercise of stock options $ 525 $ 0 869,815 0 870,340
Net loss $ 0 $ 0 0 (3,846,174) (3,846,174)
Outstanding (in shares) at Jun. 30, 2021 40,332,659 (12,253,502)      
Balance at Jun. 30, 2021 $ 40,333 $ (18,929,915) 99,865,825 (57,817,474) 23,158,769
Outstanding (in shares) 40,332,659 (12,253,502)      
Balance $ 40,333 $ (18,929,915) 99,865,825 (57,817,474) 23,158,769
Stock-based compensation expense $ 0 $ 0 457,209 0 457,209
Issuance of common stock upon exercise of stock options (in shares) 0 0      
Issuance of common stock upon exercise of stock options $ 0 $ 0 (590) 0 (590)
Net loss $ 0 $ 0 0 (1,715,268) (1,715,268)
Outstanding (in shares) at Sep. 30, 2021 40,332,659 (12,253,502)      
Balance at Sep. 30, 2021 $ 40,333 $ (18,929,915) 100,322,444 (59,532,742) 21,900,120
Outstanding (in shares) 40,332,659 (12,253,502)      
Balance $ 40,333 $ (18,929,915) 100,322,444 (59,532,742) 21,900,120
Outstanding (in shares) 40,482,659 (12,253,502)      
Balance $ 40,483 $ (18,929,915) 101,026,496 (63,746,602) 18,390,462
Outstanding (in shares) at Dec. 31, 2021 40,482,659 (12,253,502)      
Balance at Dec. 31, 2021 $ 40,483 $ (18,929,915) 101,026,496 (63,746,602) 18,390,462
Stock-based compensation expense $ 0 $ 0 453,791 0 453,791
Issuance of common stock upon exercise of stock options (in shares) 35,000 0      
Issuance of common stock upon exercise of stock options $ 35 $ 0 42,315 0 42,350
Net loss $ 0 $ 0 0 (2,491,665) (2,491,665)
Outstanding (in shares) at Mar. 31, 2022 40,517,659 (12,253,502)      
Balance at Mar. 31, 2022 $ 40,518 $ (18,929,915) 101,522,602 (66,238,267) 16,394,938
Outstanding (in shares) at Dec. 31, 2021 40,482,659 (12,253,502)      
Balance at Dec. 31, 2021 $ 40,483 $ (18,929,915) 101,026,496 (63,746,602) $ 18,390,462
Issuance of common stock upon exercise of stock options (in shares) 233,943       233,943
Net loss         $ (7,588,833)
Outstanding (in shares) at Sep. 30, 2022 40,716,602 (12,253,502)      
Balance at Sep. 30, 2022 $ 40,717 $ (18,929,915) 102,836,563 (71,335,435) 12,611,930
Outstanding (in shares) 40,517,659 (12,253,502)      
Balance $ 40,518 $ (18,929,915) 101,522,602 (66,238,267) 16,394,938
Outstanding (in shares) at Mar. 31, 2022 40,517,659 (12,253,502)      
Balance at Mar. 31, 2022 $ 40,518 $ (18,929,915) 101,522,602 (66,238,267) 16,394,938
Stock-based compensation expense 0 0 454,500 0 454,500
Net loss $ 0 $ 0 0 (3,287,995) (3,287,995)
Outstanding (in shares) at Jun. 30, 2022 40,517,659 (12,253,502)      
Balance at Jun. 30, 2022 $ 40,518 $ (18,929,915) 101,977,102 (69,526,262) 13,561,443
Outstanding (in shares) 40,517,659 (12,253,502)      
Balance $ 40,518 $ (18,929,915) 101,977,102 (69,526,262) 13,561,443
Stock-based compensation expense $ 0 $ 0 499,919 0 499,919
Issuance of common stock upon exercise of stock options (in shares) 198,943 0      
Issuance of common stock upon exercise of stock options $ 199 $ 0 359,542 0 359,741
Net loss $ 0 $ 0 0 (1,809,173) (1,809,173)
Outstanding (in shares) at Sep. 30, 2022 40,716,602 (12,253,502)      
Balance at Sep. 30, 2022 $ 40,717 $ (18,929,915) 102,836,563 (71,335,435) 12,611,930
Outstanding (in shares) 40,716,602 (12,253,502)      
Balance $ 40,717 $ (18,929,915) $ 102,836,563 $ (71,335,435) $ 12,611,930