Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

v3.22.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Cash flows from operating activities:    
Net loss $ (20,791) $ (16,002)
Adjustments to reconcile net loss to cash used in operating activities:    
Depreciation and amortization 811 817
Stock-based compensation expense 862 1,950
Non-cash licensed technology impairment charge 1,355
Non-cash lease impairment charge 1,561
Non-cash construction-in-progress impairment charge 3,252
Accretion and interest on short-term investments (84) 125
Amortization of right-of-use lease assets 302 268
Non cash interest 200
Change in operating assets and liabilities:    
Accounts receivable 3,000
Prepaid expenses and other current assets 379 882
Other assets 148 (20)
Accounts payable, accrued expenses and lease liabilities (4,386) (3,024)
Change in payable to licensor (296) 1,419
Net cash used in operating activities (13,687) (13,585)
Cash flows from investing activities:    
Capital expenditures (103) (444)
Purchases of short-term investments (7,487) (15,164)
Proceeds from maturities of short-term investments 8,665 24,984
Net cash provided by investing activities 1,075 9,376
Cash flows from financing activities:    
Proceeds from open market sales of common stock 5,211
Proceeds from exercise of stock options 667
Net cash provided by financing activities 5,878
Net increase/(decrease) in cash and cash equivalents (12,612) 1,669
Cash and cash equivalents at beginning of period 32,938 13,571
Cash and cash equivalents at end of period 20,326 15,240
Supplemental cash flow information:    
Cash and cash equivalents 20,326 14,265
Restricted cash 5,891 975
Total cash, cash equivalents and restricted cash $ 26,217 $ 15,240