Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

v3.20.2
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Cash flows from operating activities:    
Net loss $ 53,246 $ 15,321
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation, amortization and other 1,318 301
Stock-based compensation expense 5,242 2,803
Amortization of debt discount and accretion related to debt 243 221
Change in common stock warrant fair value 0 (2)
Accretion of asset retirement obligations 62 25
Loss on extinguishment of debt 1,237 0
Changes in operating assets and liabilities:    
Prepaid expenses (1,029) (14)
Accounts receivable, related party (2,759) 240
Grants revenue receivable 1,200 0
Other assets 364 (763)
Operating lease right-of-use assets and liabilities (122) 678
Accounts payable 149 862
Accrued liabilities (514) 1,098
Other liabilities 0 (330)
Other liabilities, related party 11,979 0
Deferred revenue (4,443) 0
Deferred revenue, related party (2,154) (12,676)
Net cash used in operating activities (42,473) (22,878)
Cash flows from investing activities:    
Purchases of property and equipment (3,429) (1,121)
Purchase of marketable securities (60,171) (55,659)
Sales of marketable securities 38,323 10,893
Net cash used in investing activities (25,277) (45,887)
Cash flows from financing activities:    
Payments of capital and finance lease obligations (13) (8)
Proceeds from issuance of long-term debt and warrants, net 14,677 0
Repayment of long-term debt (5,176) 0
Proceeds from stock option exercises 681 847
Proceeds from issuance of common stock and warrants, net of offering expenses 0 0
Net cash provided by financing activities 10,169 839
Net (decrease) in cash, cash equivalents, and restricted cash (57,581) (67,926)
Cash, cash equivalents and restricted cash, beginning of period 88,451 87,721
Cash, cash equivalents and restricted cash, end of period 30,870 19,795
Reconciliation of cash, cash equivalents and restricted cash    
Cash and cash equivalents 27,645 16,795
Restricted cash included in Other assets $ 3,225 $ 3,000
Restricted Cash and Cash Equivalents, Asset, Statement of Financial Position [Extensible List] us-gaap:OtherAssetsMember us-gaap:OtherAssetsMember
Cash, cash equivalents and restricted cash, end of period $ 30,870 $ 19,795
Supplemental Cash Flow Information    
Cash paid for interest 248 344
Non-Cash Investing and Financing Activities    
Fixed asset additions in accounts payable and accrued expenses 145 1,600
Right-of-use asset obtained in exchange for operating lease obligations 0 7,295
Adoption of ASC 842 0 4,179
Total non-cash investing and financing activities $ 145 $ 13,074