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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net loss | $ (31,450) | $ (24,105)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Net accretion of discount on investment securities | (966) | (172)
Noncash lease expense on operating leases | 1,293 | 1,129
Depreciation and amortization | 11,864 | 9,361
Stock-based compensation | 10,712 | 8,181
(Gain) loss on disposal of assets and other adjustments | (1) | 10
Changes in operating assets and liabilities: |  |
Accounts receivable | 30 | (82)
Prepaid expenses and other current assets | 941 | (211)
Other assets | 134 | (49)
Accounts payable | (245) | (757)
Accrued expenses and other current liabilities | (1,600) | (858)
Deferred revenue | 259 | 519
Operating lease liabilities | (1,399) | (1,089)
Other long-term liabilities | 0 | (69)
Net cash used in operating activities | (10,428) | (8,192)
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Purchases of marketable securities | (9,734) | (92,667)
Maturities of marketable securities | 38,500 | 12,000
Proceeds from disposal of property and equipment | 78 | 0
Purchases of property and equipment, net | (4,719) | (1,501)
Capitalized internal-use software costs | (7,098) | (2,838)
Net cash provided by (used in) investing activities | 17,027 | (85,006)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Principal payments on finance leases and lease financing obligations | (9,734) | (7,212)
Payments of deferred offering costs | 0 | (658)
Proceeds from debt facility | 3,529 | 0
Principal payments on insurance premium financing | (1,024) | 0
Employee payroll taxes paid related to net settlement of equity awards | 0 | (130)
Proceeds from exercises of stock options | 2,182 | 2,063
Proceeds from ESPP | 1,171 | 1,529
Net cash used in financing activities | (3,876) | (4,408)
Net increase (decrease) in cash, restricted cash and restricted cash, non-current | 2,723 | (97,606)
Cash and restricted cash at beginning of period | 11,165 | 105,012
Cash, restricted cash and restricted cash, non-current at end of period | 13,888 | 7,406
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION: |  |
Cash paid for interest | 1,816 | 1,888
Cash paid for income taxes | 58 | 26
Cash paid for operating lease liabilities | 1,458 | 1,184
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES |  |
Stock-based compensation included in capitalized internal-use software | 2,030 | 1,005
Accrued bonus settled in restricted stock units | 1,848 | 0
Accrued bonus classified as stock-based compensation | 929 | 1,043
Equipment acquired through finance lease and lease financing obligations | 8,705 | 11,595
Accruals related to purchases of property and equipment | 224 | 698
Lease liabilities arising from right-of-use assets upon adoption of ASC 842 | 0 | 5,220
Assets obtained in exchange for operating lease obligations | 268 | 0
Receivable recorded due to stock option exercises pending settlement | 29 | 0
RECONCILIATION OF CASH AND RESTRICTED CASH |  |
Cash | 5,886 | 7,237
Restricted cash - included in prepaid expenses and other current assets | 169 | 0
Restricted cash - included in other assets |  | 169
Restricted cash, non-current | 7,833 | 0
Total cash, restricted cash and restricted cash, non-current | $ 13,888 | $ 7,406

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