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
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Cash flows from operating activities:    
Net loss $ (2,641) $ (5,584)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 55 62
Non-cash interest expense 1 148
Non-cash loss on changes in fair value of warrants 0 923
Stock-based compensation 248 (84)
Finance costs attributable to issuance of warrants 0 211
Other (5) (3)
Changes in operating assets and liabilities:    
Receivables 487 (558)
Inventory 110 (66)
Prepaid expenses and other assets (241) (399)
Accounts payable (482) (64)
Accrued sales allowances (4) (608)
Other accrued liabilities (153) 810
Net cash used in operating activities (2,625) (5,212)
Cash flows from investing activities:    
Purchases of property and equipment 0 (30)
Net cash used in investing activities 0 (30)
Cash flows from financing activities:    
Net proceeds from equity offering 8,841 1,895
Net proceeds from the exercises of common stock warrants 0 6,162
Net cash provided by financing activities 8,841 8,057
Net increase in cash and cash equivalents 6,216 2,815
Cash and cash equivalents at beginning of period 5,413 5,223
Cash and cash equivalents at end of period 11,629 8,038
Supplemental disclosure of cash flow information:    
Interest paid 0 102
Purchases of property and equipment included in accounts payable $ 0 $ 6