v3.20.1
Consolidated Statements of Cash Flows - USD ($)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Operating activities:    
Net and comprehensive loss $ (23,270,514) $ (10,396,635)
Adjustments to reconcile net and comprehensive loss to net cash used in operating activities:    
Depreciation 76,501 46,686
Loss on disposal of assets 94,713  
Consulting expenses related to warrants 53,440  
Stock-based compensation 1,085,842 3,431,862
Changes in operating assets and liabilities:    
Prepaid research and development contracts 443,238 (441,252)
Other current assets (119,104) (293,460)
Deposits 960 (20,000)
Accounts payable and accrued expenses (2,217,598) 1,864,753
Net cash used in operating activities (23,852,522) (5,808,046)
Investing activities:    
Purchase of furniture and equipment (236,952) (37,912)
Net cash used in investing activities (236,952) (37,912)
Financing activities:    
Proceeds from exercise of stock options   76,832
Proceeds from sale of common stock   51,621,570
Cash paid in connection with the sale of common stock   (3,502,543)
Net cash provided by financing activities   48,195,859
Net (decrease) increase in cash and cash equivalents (24,089,474) 42,349,901
Cash and cash equivalents at beginning of year 62,614,010 20,264,109
Cash and cash equivalents at end of year $ 38,524,536 $ 62,614,010