Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Operating activities:    
Net loss $ (4,208) $ (2,738)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization expense 46 45
Stock-based compensation 239 219
Payments on operating lease liabilities (50) (48)
Change in fair value of derivative liabilities (11) (1)
Changes in operating assets and liabilities:    
Accounts receivable 556
Prepaid expenses and other current assets 8 36
Amortization of right of use assets 49 47
Accounts payable and accrued expenses 17 114
Net cash used in operating activities (3,910) (1,770)
Investing activities:    
Purchases of property and equipment (25)
Net cash used in investing activities (25)
Financing activities:    
Payments on finance lease liabilities (6) (9)
Proceeds from sale of common stock, net of transaction costs 2,072
Net cash provided by financing activities (6) 2,063
Net increase in cash and restricted cash (3,916) 268
Cash and restricted cash at beginning of period 58,755 33,060
Cash and restricted cash at end of period 54,839 33,328
SUPPLEMENTAL DISCLOSURE OF NON-CASH FINANCING ACTIVITIES:    
Recognition of finance lease right-of-use asset and liability
Recognition of operating lease right-of-use asset and liability