v3.20.2
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Operating activities    
Net loss $ (53,908) $ (55,709)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 2,071 1,686
Amortization of financing right-of-use asset 196 138
Loss on disposal of fixed assets   14
Stock-based compensation expense 7,909 6,623
Net amortization of premiums and discounts on marketable securities (49) (751)
Amortization of debt-discount and accretion of deferred debt costs 196  
Changes in operating assets and liabilities:    
Prepaid expenses and other current assets (576) (827)
Accounts receivable 19,998  
Contract assets (2,152)  
Other long-term assets (461) (2)
Accounts payable 104 92
Accrued expenses 70 (2,602)
Deferred revenue (2,983) (1,474)
Proceeds for tenant improvement incentive from landlord 2,035 2,218
Operating lease asset and liabilities 110 944
Net cash used in operating activities (27,440) (49,650)
Investing activities    
Purchases of property and equipment (3,307) (4,481)
Purchases of marketable securities   (108,206)
Maturities of marketable securities 50,000 84,000
Net cash provided by (used in) investing activities 46,693 (28,687)
Financing activities    
Payments on financing and capital lease obligations (179) (149)
Proceeds from issuance of common stock through employee benefit plans 509 51
Proceeds from the issuance of common stock through employee stock purchase plan 223  
Proceeds from the issuance of common stock through exercise of warrants   2
Proceeds from issuance of common stock through at-the-market sales agreement, net of issuance costs 11,896  
Proceeds from term loan, net of issuance costs 19,700  
Proceeds from issuance of common stock and accompanying warrants in public offerings and private placements, net of issuance costs   60,359
Proceeds from issuance of convertible preferred stock and accompanying warrants in public offering, net of issuance costs   4,638
Net cash provided by financing activities 32,149 64,901
Increase (decrease) in cash, cash equivalents and restricted cash 51,402 (13,436)
Cash and cash equivalents, Beginning of period 44,817 50,814
Cash and cash equivalents, End of period 96,219 37,378
Supplemental disclosure of cash flow information:    
Cash paid for interest 1,055 52
Cash paid for tax 7 29
Non-cash investing and financing activities:    
Property and equipment received but unpaid as of period end 139 4,773
Assets acquired under financing lease   997
Offering costs incurred but unpaid as of period end $ 103 $ 50

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