XML 19 R4.htm IDEA: XBRL DOCUMENT v3.20.4
Statements of Operations - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Total revenues $ 365,993 $ 244,632
Costs and expenses:    
Research and development 11,235,396 11,162,236
Selling, general and administrative 8,216,471 5,760,890
Total operating expenses 19,451,867 16,923,126
Loss from operations (19,085,874) (16,678,494)
Interest income 89,809 234,169
Interest expense (1,519) 0
Other gain (loss), net (28,244) 1,978
Gain (loss) from changes in fair value of derivative financial instruments—warrants (280,844) 28,188
Net loss (19,306,672) (16,414,159)
Preferred stock dividend payable on Series A Convertible Preferred Stock (24,240) (24,240)
Net loss attributable to common stockholders $ (22,597,396) $ (16,706,668)
Net loss per common share - basic and diluted (in dollars per share) $ (1.08) $ (2.80)
Weighted-average shares outstanding - basic and diluted (in shares) 20,874,665 5,973,906
Royalties    
Royalties $ 365,993 $ 243,137
Services    
Services 0 1,495
Series C Convertible Preferred Stock    
Costs and expenses:    
Deemed dividend recognized on beneficial conversion features of Convertible Preferred Stock issuance 0 (268,269)
Series D Convertible Preferred Stock    
Costs and expenses:    
Deemed dividend recognized on beneficial conversion features of Convertible Preferred Stock issuance (601,767) 0
Series E Convertible Preferred Stock    
Costs and expenses:    
Deemed dividend recognized on beneficial conversion features of Convertible Preferred Stock issuance $ (2,664,717) $ 0