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Consolidated Statements of Stockholders' Equity (Deficit) - USD ($)
Public Offering [Member]
Common Stock [Member]
Public Offering [Member]
Additional Paid-in Capital [Member]
Public Offering [Member]
Retained Earnings [Member]
Public Offering [Member]
Warrants Issued in Connection with Convertible Notes [Member]
Common Stock [Member]
Warrants Issued in Connection with Convertible Notes [Member]
Additional Paid-in Capital [Member]
Warrants Issued in Connection with Convertible Notes [Member]
Retained Earnings [Member]
Warrants Issued in Connection with Convertible Notes [Member]
Warrants Issued for Consulting Fees [Member]
Common Stock [Member]
Warrants Issued for Consulting Fees [Member]
Additional Paid-in Capital [Member]
Warrants Issued for Consulting Fees [Member]
Retained Earnings [Member]
Warrants Issued for Consulting Fees [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Balance (in shares) at Dec. 31, 2018                         1,758,288      
Balance at Dec. 31, 2018                         $ 176 $ 85,600,362 $ (75,134,316) $ 10,466,222
Issuance of common stock for directors’ fees (in shares)                         4,612      
Issuance of common stock for directors’ fees                         $ 1 35,012 35,013
Issuance of common stock for commitment fees net of adjustments (in shares)                         49,583      
Issuance of common stock for commitment fees net of adjustments                         $ 5 594,995 595,000
Warrant debt discount valuation                         595,662 595,662
Legal and commitment fees                         (301,077) (301,077)
Share-based compensation                         912,707 912,707
Net loss                         (14,588,700) (14,588,700)
Balance (in shares) at Dec. 31, 2019                         1,812,483      
Balance at Dec. 31, 2019                         $ 182 87,437,661 (89,723,016) (2,285,173)
Issuance of common stock for directors’ fees (in shares)                         5,270      
Issuance of common stock for directors’ fees                         28,511 28,511
Legal and commitment fees                         (2,371,223) (2,371,223)
Share-based compensation                         656,008 656,008
Net loss                         (9,673,987) (9,673,987)
Issuance of common stock pursuant to securities purchase agreements (in shares) 4,264,313                       43,939      
Issuance of common stock pursuant to securities purchase agreements $ 426 $ 22,173,999 $ 22,174,425                 $ 5 277,828 277,833
Issuance of common stock pursuant to public offering (in shares) 4,264,313                       43,939      
Issuance of common stock pursuant to public offering $ 426 $ 22,173,999 $ 22,174,425                 $ 5 277,828 277,833
Issuance of common stock pursuant to warrant exercises (in shares)                         918,538      
Issuance of common stock pursuant to warrant exercises                         $ 92 5,602,503 5,602,595
Issuance of common stock for conversion of convertible note payable (in shares)                         728,654      
Issuance of common stock for conversion of convertible note payable                         $ 73 3,788,927 3,789,000
Issuance of restricted common stock to employees (in shares)                         41,375      
Issuance of restricted common stock to employees                         $ 4 (4)
Warrants issued         $ 1,388,339 $ 1,388,339 $ 107,576 $ 107,576        
Warrants issued         $ 1,388,339 $ 1,388,339 $ 107,576 $ 107,576        
Beneficial conversion feature                         641,215 641,215
Deemed dividends related to down-round features                         112,686 (112,686)
Balance (in shares) at Dec. 31, 2020                         7,814,572      
Balance at Dec. 31, 2020                         $ 782 $ 119,844,026 $ (99,509,689) $ 20,335,119