Annual report pursuant to Section 13 and 15(d)

STATEMENTS OF CASH FLOWS

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STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Cash flows from operating activities:    
Net loss $ (18,242) $ (16,458)
Adjustments to reconcile net loss to net cash used in operating activities:    
Non-cash gain on difference between fair and carrying value of assets transferred in debt settlement (1,975) 0
Depreciation and amortization 292 244
Non-cash interest expense 498 613
Non-cash loss (gain) on changes in fair value of warrants 923 (1,110)
Non-cash loss (gain) on debt extinguishment 81 (226)
Stock-based compensation 7 572
Finance costs for issuance of warrants 211 0
Other (16) (41)
Changes in operating assets and liabilities:    
Receivables 186 744
Inventory 287 264
Contract assets 0 99
Prepaid expenses and other assets 391 (547)
Accounts payable 1,101 (125)
Accrued sales allowances (747) 809
Other accrued liabilities (200) 30
Deferred revenue 0 (313)
Net cash used in operating activities (17,203) (15,445)
Cash flows from investing activities:    
Purchases of furniture and equipment (540) (256)
Net cash used in investing activities (540) (256)
Cash flows from financing activities:    
Proceeds from equity offerings 11,636 9,665
Net loan proceeds 654 0
Proceeds from the exercise of warrants 7,243 1,603
Payments of long-term debt (1,600) 0
Net cash provided by financing activities 17,933 11,268
Net increase (decrease) in cash 190 (4,433)
Cash, cash equivalents and restricted cash at beginning of period 5,223 9,656
Cash, cash equivalents and restricted cash at end of period 5,413 5,223
Supplemental disclosure of cash flow information:    
Interest paid 295 432
Purchases of property and equipment in accounts payable or accrued expenses $ 0 $ 11