Quarterly report pursuant to Section 13 or 15(d)

CONDENSED STATEMENTS OF CASH FLOWS

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CONDENSED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Cash flows from operating activities:    
Net loss $ (6,236) $ (15,157)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 168 227
Non-cash interest expense 2 447
Non-cash loss on changes in fair value of warrants 0 923
Non-cash loss on asset impairment 0 433
Non-cash gain on debt extinguishment (661) 0
Stock-based compensation 1,359 4
Finance costs attributable to issuance of warrants 0 211
Other (8) (11)
Changes in operating assets and liabilities:    
Receivables 459 570
Inventory 199 (508)
Prepaid expenses and other assets (170) 14
Accounts payable (1,628) 309
Accrued sales allowances 0 (690)
Other accrued liabilities (302) 586
Net cash used in operating activities (6,818) (12,642)
Cash flows from investing activities:    
Purchases of property and equipment (18) (531)
Net cash used in investing activities (18) (531)
Cash flows from financing activities:    
Net proceeds from equity offering 8,841 4,339
Net proceeds from the exercises of common stock warrants 0 7,030
Net loan proceeds 0 654
Net cash provided by financing activities 8,841 12,023
Net increase (decrease) in cash and cash equivalents 2,005 (1,150)
Cash and cash equivalents at beginning of period 5,413 5,223
Cash and cash equivalents at end of period 7,418 4,073
Supplemental disclosure of cash flow information:    
Interest paid $ 0 $ 295