XML 19 R6.htm IDEA: XBRL DOCUMENT v3.22.1
STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
OPERATING CASH FLOW ACTIVITIES:      
Net loss $ (31,472) $ (26,376)  
Reconciliation of net loss to net cash used in operating activities      
Depreciation and amortization 77 65  
Stock-based compensation expense 3,825 5,565  
Changes in operating assets and liabilities:      
Inventory (682)    
Prepaid expenses and other assets (3,480) 703  
Operating lease right of use assets 66    
Accounts payable, accrued expenses, and other liabilities (676) 403  
Operating lease liabilities (71)    
Net cash used in operating activities (32,413) (19,640)  
INVESTING CASH FLOW ACTIVITIES:      
Purchases of equipment and leasehold improvements (120) (316)  
Net cash used in investing activities (120) (316)  
FINANCING CASH FLOW ACTIVITIES:      
Exercise of stock options   852  
Net cash provided by financing activities   852  
Net (decrease) increase in cash and cash equivalents (32,533) (19,104)  
Cash and cash equivalents, beginning of the period 232,968 213,119 $ 213,119
Cash and cash equivalents, end of the period $ 200,435 194,015 $ 232,968
Supplemental cash flow information:      
Purchases of property and equipment in accounts payable and accrued expenses   $ 9