Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Cash Flows

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Condensed Statements of Cash Flows - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Cash flows from operating activities:      
Net loss $ (8,525,763) $ (8,597,736)  
Adjustments to reconcile net loss to Net cash used in operating activities:      
Depreciation and amortization 64,774 121,699  
Stock based compensation 2,146,226 2,276,299  
Changes in operating lease right-of-use assets 195,914 188,445  
Bad debt expense   33,000  
Changes in operating assets and liabilities:      
Accounts receivable (80,925) (29,029)  
Prepaid expenses and other current assets (105,491) 98,212  
Accounts payable 353,928 (633,268)  
Accrued expenses 179,999 (628,052)  
Operating lease liabilities (210,212) (169,681)  
Deferred revenue 5,000    
Net cash used in operating activities (5,976,550) (7,340,111)  
Cash flows from investing activities:      
Purchases of property and equipment (111,727)    
Net cash used in investing activities (111,727)    
Cash flows from financing activities:      
Net proceeds from the sales of common stock   5,506,880 $ 53,556,202
Proceeds from contributions to employee stock purchase plan 117,013 113,059  
Net cash provided by financing activities 117,013 5,619,939  
Net decrease in cash and cash equivalents (5,971,264) (1,720,172)  
Cash and cash equivalents - beginning 50,729,661 21,684,089 21,684,089
Cash and cash equivalents - ending 44,758,397 19,963,917 $ 50,729,661
Restricted Stock Units (RSUs) [Member]      
Supplemental disclosure of non-cash financing activities:      
Common stock issued $ 6 $ 4