XML 17 R7.htm IDEA: XBRL DOCUMENT v3.23.1
Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Cash flows from operating activities:    
Net loss $ (11,880) $ (14,826)
Adjustments to reconcile net loss to net cash used in operations:    
Depreciation and amortization 83 64
Stock-based compensation 2,433 3,972
Loss on disposal of property and equipment 0 2
Changes in operating assets and liabilities:    
Prepaid expenses and other assets 1,530 299
Accounts payable, accrued expenses and other liabilities (including related party amounts of ($3) and $22, respectively) (2,022) 1,560
Right-of-use assets and lease liabilities, net 9 4
Net cash used in operating activities (9,847) (8,925)
Cash flows from investing activities:    
Purchases of property and equipment (41) (239)
Net cash used in investing activities (41) (239)
Cash flows from financing activities:    
Proceeds from issuances of common stock under benefit plans 376 238
Net cash provided by financing activities 376 238
Net cash decrease for the period (9,512) (8,926)
Cash, cash equivalents and restricted cash at beginning of the period 252,213 302,425
Cash, cash equivalents and restricted cash at end of the period 242,701 293,499
Reconciliation of cash, cash equivalents and restricted cash to the balance sheet    
Cash and cash equivalents 241,701 292,499
Restricted cash 1,000 1,000
Total cash, cash equivalents and restricted cash 242,701 293,499
Supplemental disclosure of cash flow information:    
Right-of-use asset obtained in exchange for lease liability 0 1,547
Non-cash financing activities:    
Purchases of equipment included in accounts payable $ 0 $ 17