v3.26.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (1,405) $ (5,433)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 72 106
Share-based compensation 885 2,773
(Gain) loss on changes in fair value of contingent payment obligations (1,326) 157
Loss on debt extinguishment 131 0
Paid in kind interest expense 108 152
Changes in operating assets and liabilities:    
Prepaid expenses and other assets (253) (125)
Accounts payable and accrued expenses 51 (599)
Net cash used in operating activities (1,737) (2,969)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Capitalized patent costs 0 (43)
Net cash used in investing activities 0 (43)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Net payments from issuance of common stock and warrants in private offerings 0 (68)
Net proceeds from exercise of options and warrants 0 278
Net cash (used in) provided by financing activities (122) 142
NET DECREASE IN CASH AND CASH EQUIVALENTS (1,859) (2,870)
CASH AND CASH EQUIVALENTS, beginning of period 4,360 4,918
CASH AND CASH EQUIVALENTS, end of period 2,501 2,048
Notes Payable, Other Payables [Member]    
CASH FLOWS FROM FINANCING ACTIVITIES:    
Principal payments on long-term debt $ (122) $ (68)