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, 2023
Dec. 31, 2022
Cash flows from operating activities:    
Net loss $ (5,569) $ (10,206)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 112 196
Gain on sale of assets (1,755)
Stock-based milestone payment 50
Stock-based compensation 1,013 947
Amortization of restricted stock 25 450
Other (2) 2
Changes in operating assets and liabilities:    
Receivables (10) 76
Inventory 187
Prepaid expenses and other assets 177 164
Accounts payable (476) (751)
Other accrued liabilities (423) 801
Deferred revenue (184) (99)
Net cash used in operating activities (7,092) (8,183)
Cash flows from investing activities:    
Cash proceeds from sale of assets 734
Purchases of furniture and equipment (2)
Net cash provided by investing activities 732
Cash flows from financing activities:    
Proceeds from equity offerings 4,980
Proceeds from issuance of preferred stock 9,500
Proceeds from short-term loans 750
Payments on short-term loans (250)
Proceeds from the exercise of warrants 4
Net cash provided by financing activities 10,000 4,984
Net change in cash, cash equivalents and restricted cash 3,640 (3,199)
Cash, cash equivalents and restricted cash at beginning of year 3,133 6,332
Cash, cash equivalents and restricted cash at end of year 6,773 3,133
Supplemental disclosure of cash flow information:    
Interest paid 21
Inventory transferred with sale of assets 106
Property and equipment, net, transferred with sale of assets 109
Notes receivable received in connection with sale of assets 1,000
Other accrued liabilities transferred with sale of assets 236
Other accrued liabilities related to stock-based compensation 310
Cash and cash equivalents 6,760 2,937
Restricted cash 13 196
Cash, cash equivalents and restricted cash as shown in the statements of cash flows $ 6,773 $ 3,133