Quarterly report pursuant to Section 13 or 15(d)

STATEMENTS OF CASH FLOWS (Unaudited)

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STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Operating activities    
Net loss $ (7,375) $ (4,370)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 342 156
Stock-based compensation 1,556 40
Unrealized foreign exchange gain   8
Changes in operating assets and liabilities:    
Trade accounts receivable (124)  
Due to/from related parties (1,114) (496)
Inventory (379)  
Prepaid expenses and other assets (624) (880)
Accounts payable (94) (310)
Accrued expenses (397) 182
Accrued compensation and benefits (418) (456)
Other accrued liabilities (708) (439)
Net cash used by operating activities (9,335) (6,565)
Investing activities    
Purchases of land, buildings and equipment (346) (41)
Net cash used by investing activities (346) (41)
Financing activities    
Deferred offering costs   (69)
Proceeds from the exercise of stock options 125 714
Net cash provided by financing activities 125 645
Net decrease in cash, cash equivalents and restricted cash (9,556) (5,961)
Cash, cash equivalents and restricted cash - beginning of period 95,288 56,664
Cash, cash equivalents and restricted cash - end of period $ 85,732 $ 50,703