v3.19.3.a.u2
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Operating activities      
Net loss $ (39,612) $ (27,897) $ (25,980)
Adjustments to reconcile net loss to net cash used by operating activities:      
Depreciation and amortization expenses 1,607 1,081 551
Loss on disposal of land, buildings and equipment   23  
Stock-based compensation 9,175 4,385 12,092
Unrealized foreign exchange loss   (12) (34)
Changes in operating assets and liabilities:      
Trade accounts receivable (1,122)   110
Due to/from related parties (882) 676 (448)
Inventory (2,594)    
Prepaid expenses and other assets 493 (726) (537)
Accounts payable 259 (118) 665
Accrued expenses 537 985 86
Accrued compensation and benefits 876 360 613
Other accrued liabilities (670) 940 97
Other non-current assets (18) 51  
Net cash used by operating activities (31,951) (20,252) (12,785)
Investing activities      
Purchases of land, buildings and equipment (2,969) (1,847) (779)
Other   50  
Net cash used by investing activities (2,969) (1,797) (779)
Financing activities      
Costs incurred related to the issuance of stock   (665) (3,312)
Proceeds from common stock issuance   57,706 61,292
Repayments of financing lease obligations (275)    
Advances from Cellectis     3,000
Repayment of advances from Cellectis     (3,000)
Proceeds from the exercise of stock options 344 2,622 265
Costs incurred related to shares withheld for net settlement (813) (230)  
Proceeds from sale and leaseback of land, buildings and equipment 414 1,240 6,957
Net cash (used) provided by financing activities (330) 60,673 65,202
Net (decrease) increase in cash, cash equivalents and restricted cash (35,250) 38,624 51,638
Cash, cash equivalents and restricted cash - beginning of period 95,288 56,664 5,026
Cash, cash equivalents and restricted cash - end of period $ 60,038 $ 95,288 $ 56,664

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