v3.22.4
Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES    
Net Loss $ (17,441) $ (15,714)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 77 67
Operating lease right of use asset amortization 200 186
Financing lease right of use asset amortization 1,229 532
Stock-based compensation 3,367 2,973
Changes in operating assets and liabilities:    
Prepaid expenses and other current assets (108) (177)
Accounts payable 59 (104)
Accrued expenses (30) (10)
Accrued payroll expenses 366 (104)
Operating lease liability (218) (90)
Net cash used in operating activities (12,499) (12,441)
CASH FROM INVESTING ACTIVITIES    
Acquisition of property and equipment (39) (109)
Net cash used in investing activities (39) (109)
CASH FLOWS FROM FINANCING ACTIVITIES    
Proceeds from at-the-market sale of stock, net of commissions and expenses 5,763 243
Proceeds from exercise of stock options 244 3,534
Payments of principal for financing lease (984) (470)
Net cash provided by financing activities 5,023 3,307
Net increase/(decrease) in cash and cash equivalents (7,515) (9,243)
Cash and cash equivalents at beginning of year 28,699 37,942
Cash and cash equivalents at end of year 21,184 28,699
Supplemental information:    
Cash paid for interest 255 128
Cash paid for taxes $ 0 $ 66