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Consolidated Balance Sheets - USD ($)
Dec. 31, 2024
Dec. 31, 2023
Current assets:    
Cash and cash equivalents $ 9,821,000 $ 12,432,000
Prepaid expenses and other current assets 673,000 896,000
Total current assets 10,494,000 13,328,000
Restricted cash 26,000 26,000
Property and equipment, net 3,000 10,000
Operating lease right-of-use asset 84,000 198,000
Other noncurrent assets 273,000 490,000
Total assets 10,880,000 14,052,000
Current liabilities:    
Accounts payable 1,105,000 698,000
Accrued liabilities 1,240,000 831,000
Accrued compensation and benefits 722,000 778,000
Current portion of operating lease liability 90,000 121,000
Insurance financing debt 79,000 158,000
Total current liabilities 3,236,000 2,586,000
Warrant liability 2,000 2,000
Contingent consideration obligation, net of current portion 150,000 61,000
Operating lease liability, net of current portion 0 90,000
Total liabilities 3,388,000 2,739,000
Commitments and contingencies (Note 8)
Stockholders' equity:    
Common stock, $0.01 par value; 280,000,000 shares authorized; 2,768,646 and 618,056 shares issued and outstanding at December 31, 2024 and December 31, 2023, respectively 27,000 6,000
Additional paid-in capital 143,407,000 132,811,000
Accumulated deficit (135,944,000) (121,506,000)
Total stockholders' equity 7,492,000 11,313,000
Total liabilities and stockholders' equity 10,880,000 14,052,000
Series A Preferred Stock [Member]    
Stockholders' equity:    
Series A Convertible Preferred Stock, $0.01 par value, 7,000,000 shares authorized; 200,000 issued and outstanding at December 31, 2024 and December 31, 2023 $ 2,000 $ 2,000