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v3.23.1

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Cash flows from operating activities: |  |
Net loss | $ (9,107) | $ (22,044)
Adjustments to reconcile net loss to cash used in operating activities: |  |
Depreciation and amortization | 661 | 811
Stock-based compensation expense | 770 | 862
Change in fair value of warrant liabilities | (2,265) | 1,253
Non-cash impairment of licensed technology |  | 1,355
Non-cash impairment of right-of-use lease assets |  | 1,561
Non-cash impairment of construction-in-progress |  | 3,252
Accretion and interest on short-term investments | (117) | (84)
Amortization of right-of-use lease assets | 227 | 302
Non-cash interest | 100 | 200
Change in operating assets and liabilities: |  |
Accounts receivable |  | 3,000
Other receivables | (75) |
Prepaid expenses and other current assets | (1,199) | 379
Other assets | (56) | 148
Accounts payable, accrued expenses and lease liabilities | (684) | (4,386)
Other current liabilities | 1 |
Change in payable to licensor |  | (296)
Net cash used in operating activities | (11,744) | (13,687)
Cash flows from investing activities: |  |
Capital expenditures | (218) | (103)
Purchases of short-term investments | (7,964) | (7,487)
Proceeds from maturities of short-term investments | 10,393 | 8,665
Net cash provided by investing activities | 2,211 | 1,075
Cash flows from financing activities: |  |
Payments made for net settlement of restricted share awards | (4) |
Net cash used in financing activities | (4) |
Net decrease in cash, cash equivalents and restricted cash | (9,537) | (12,612)
Cash, cash equivalents and restricted cash at beginning of period | 14,555 | 38,829
Cash, cash equivalents and restricted cash at end of period | 5,018 | 26,217
Supplemental cash flow information: |  |
Cash and cash equivalents | 4,680 | 20,326
Restricted cash | 338 | 5,891
Total cash, cash equivalents and restricted cash | $ 5,018 | $ 26,217

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