v3.26.1
Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Current assets:    
Cash and cash equivalents $ 9,900 $ 2,985
Marketable investments 64 62
Other receivables 7
Prepaid expenses and other current assets 468 241
Total current assets 10,432 3,295
Property and equipment, net 54 71
Right of use asset, net 260 378
Patent and trademark rights, net 1,714 1,661
Other assets 271 377
Total assets 12,731 5,782
Current liabilities:    
Accounts payable 480 1,630
Accrued expenses 586 795
Current portion of operating lease liability 259 250
Current portion of note payable, net 3,621 3,549
Total current liabilities 4,946 6,224
Long-term liabilities:    
Operating lease liability 41 170
Long-term note payable 927
Warrant liability 8,244
Total liabilities 4,987 15,565
Commitments and contingencies (Note 10)
Stockholders’ equity (deficit):    
Common Stock, $0.001 par value, authorized shares - 350,000,000; issued and outstanding shares 28,990,073 and 3,069,875 as of June 30, 2026 and December 31, 2025, respectively 29 3
Additional paid-in capital 455,312 431,000
Accumulated deficit (447,597) (440,786)
Total stockholders’ equity (deficit) 7,744 (9,783)
Total liabilities and stockholders’ equity 12,731 5,782
Series A Junior Participating Preferred Stock [Member]    
Stockholders’ equity (deficit):    
Preferred Stock value
Series B Convertible Preferred Stock [Member]    
Stockholders’ equity (deficit):    
Preferred Stock value
Series G Convertible Preferred Stock [Member]    
Stockholders’ equity (deficit):    
Preferred Stock value