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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Treasury Stock
Total
Balance at Dec. 31, 2019 $ 50 $ 33,128 $ 168,950,076 $ (144,742,811)   $ 24,240,443
Balance (in shares) at Dec. 31, 2019 49,626 33,128,620        
Stock-Based Compensation Expense   $ 943 2,656,888     2,657,831
Stock-Based Compensation Expense (in shares)   942,986        
Proceeds from Common Stock Offering   $ 8,647 26,741,355     26,750,002
Proceeds from Common Stock Offering (in shares)   8,647,059        
Direct Costs of Common Stock Offering     (1,550,666)     (1,550,666)
Stock Warrant Exercises   $ 2,883 14,125,644     14,128,527
Stock Warrant Exercises (in shares)   2,882,647        
Stock Option Exercises   $ 44 29,176     29,220
Stock Option Exercises (in shares)   43,854        
Net Loss       (17,952,172)   (17,952,172)
Balance at Dec. 31, 2020 $ 50 $ 45,645 210,952,473 (162,694,983)   48,303,185
Balance (in shares) at Dec. 31, 2020 49,626 45,645,166        
Stock-Based Compensation Expense   $ 368 18,429,556     18,429,924
Stock-Based Compensation Expense (in shares)   368,047        
Proceeds from Common Stock Offering   $ 4,768 97,745,239     97,750,007
Proceeds from Common Stock Offering (in shares)   4,768,293        
Direct Costs of Common Stock Offering     (6,136,420)     (6,136,420)
Stock Warrant Exercises   $ 7,277 34,708,451     34,715,728
Stock Warrant Exercises (in shares)   7,276,928        
Stock Option Exercises   $ 659 781,618     782,277
Stock Option Exercises (in shares)   659,398        
Shares Redeemed to Cover Employee Tax Withholdings   $ (83) (1,144,282)     (1,144,365)
Shares Redeemed to Cover Employee Tax Withholdings (in shares)   (83,164)        
Stock Issued for Technology License Purchase   $ 75 1,404,675     1,404,750
Stock Issued for Technology License Purchase (in shares)   75,000        
Preferred Stock Converted $ (50) $ 4,963 (10,004,913)     (10,000,000)
Preferred Stock Converted (in shares) (49,626) 4,962,600        
Net Loss       (40,377,160)   (40,377,160)
Balance at Dec. 31, 2021   $ 63,672 346,736,397 (203,072,143)   143,727,926
Balance (in shares) at Dec. 31, 2021   63,672,268        
Stock-Based Compensation Expense   $ (3) 15,713,732     15,713,729
Stock-Based Compensation Expense (in shares)   (3,017)        
Stock Option Exercises   $ 114 57,586     57,700
Stock Option Exercises (in shares)   114,528        
Purchases of Treasury Stock         $ (2,005,744) $ (2,005,744)
Purchases of Treasury Stock (in Shares)         (464,672) 464,672
Net Loss       (40,763,573)   $ (40,763,573)
Balance at Dec. 31, 2022   $ 63,783 $ 362,507,715 $ (243,835,716) $ (2,005,744) $ 116,730,038
Balance (in shares) at Dec. 31, 2022   63,783,779     (464,672)