XML 16 R6.htm IDEA: XBRL DOCUMENT v3.24.2.u1
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Cash flows used in operating activities:              
Net loss $ (2,940) $ (3,261) $ (1,482) $ (4,805) $ (6,201) $ (6,287)  
Adjustments to reconcile net loss to net cash used in operating activities:              
Depreciation and amortization         325 318  
Amortization of deferred financing costs and debt discount         20 119  
Share-based compensation expense         297 280  
Accretion of discount on short-term investments         (23)    
Non-cash financing expense         3,545    
Change in fair value of warrants (4,694)       (4,694)    
Loss on disposal of property and equipment           2  
Amortization of operating lease right-of-use assets         63 57  
Increases (decreases) in cash caused by changes in operating assets and liabilities:              
Grant receivable           718  
Other current assets         335 1,510  
Accounts payable and accrued expenses         360 (3,589)  
Change in operating lease liabilities         (63) (56)  
Deferred grant liability         373 (1,643)  
Net cash used in operating activities         (5,663) (8,571)  
Cash flows used in investing activities:              
Purchases of property and equipment         (121) (108)  
Purchase of short-term investments         (3,500)    
Purchase of intangible assets         (545)    
Net cash used in investing activities         (4,166) (108)  
Cash flows provided by financing activities:              
Principal payments of term loan obligation         (3,996) (804)  
Proceeds from credit facility         3,292    
Purchase of treasury stock         (374)    
Proceeds from sale of common stock, warrants and pre-funded warrants, net         7,265 2,258  
Net cash provided by financing activities         6,187 1,454  
Net decrease in cash and cash equivalents         (3,642) (7,225)  
Cash and cash equivalents at beginning of period   $ 8,554   $ 18,120 8,554 18,120 $ 18,120
Cash and cash equivalents at end of period $ 4,912   $ 10,895   4,912 10,895 $ 8,554
Cash paid during period for:              
Interest         32 135  
Supplemental schedule of non-cash investing and financing activities:              
Unpaid offering cost         $ 375 $ 35