v3.21.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Cash flows from operating activities      
Net loss - before noncontrolling interest ("NCI") $ (10,110) $ (14,911)  
Adjustments to reconcile net loss - before NCI to net cash used in operating activities      
Depreciation expense 12 3  
Stock-based compensation 1,436 344  
Change in fair value - Senior Secured Convertible Notes and Senior Convertible Note (1,682) 8,008  
Debt extinguishment loss - Senior Secured Convertible Notes and Senior Convertible Note 3,715 1,188  
Changes in operating assets and liabilities:      
Prepaid expenses and other current assets (277) (364)  
Accounts payable (1,070) 1,804  
Accrued expenses and other current liabilities (1,192) 137  
Net cash flows used in operating activities (9,168) (3,791)  
Cash flows from investing activities      
Purchase of equipment (36) (2)  
Net cash flows used in investing activities (36) (2)  
Cash flows from financing activities      
Proceeds - issue of common stock - registered offerings 55,016  
Payment - offering costs - registered offerings (1,312)  
Proceeds - issue of Senior Convertible Note 6,300  
Payment - repayment of Senior Convertible Note and Senior Secured Convertible Note (14,816)  
Payment - Senior Convertible Note and Senior Secured Convertible Note - non-installment payments (154) (138)  
Proceeds - exercise of Series Z warrants 1,376  
Proceeds - exercise of Series S Warrants 12  
Proceeds - issue common stock - Employee Stock Purchase Plan 304 126  
Proceeds - exercise of stock options 80  
Proceeds - exercise of stock options issued under equity incentive plan of majority owned subsidiary 5  
Net cash flows provided by financing activities 40,494 6,305  
Net increase (decrease) in cash 31,290 2,512  
Cash, beginning of period 17,256 6,219 $ 6,219
Cash, end of period $ 48,546 $ 8,731 $ 17,256

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