XML 18 R6.htm IDEA: XBRL DOCUMENT v3.22.1
Statements of Cash Flows - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Operating activities      
Net loss $ (14,653,041) $ (14,274,059)  
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation 59,308 68,088  
Loss on disposal of assets   2,174  
Non-cash lease expense 198,814 180,586  
Stock-based compensation 1,080,642 1,614,185  
Changes in assets and liabilities:      
Prepaid expenses and other current assets (413,588) 85  
Prepaid research and development expenses (660,800)    
Accounts payable 168,558 50,861  
Accrued expenses 761,658 (1,552,381)  
Lease liabilities (239,694) (214,810)  
Net cash used in operating activities (13,698,143) (14,125,271) $ (57,500,000)
Investing activities      
Purchases of property and equipment (40,521) (3,060)  
Net cash used in investing activities (40,521) (3,060)  
Financing activities      
Proceeds from issuance of common stock, net of issuance costs   9,559,699  
Proceeds from exercise of stock options   4,239  
Net cash provided by financing activities   9,563,938  
Net change in cash and cash equivalents (13,738,664) (4,564,393)  
Cash and cash equivalents, beginning of period 90,254,890 137,035,017 137,035,017
Cash and cash equivalents, end of period $ 76,516,226 $ 132,470,624 $ 90,254,890