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Condensed Consolidated Balance Sheets (Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Current assets:    
Cash and cash equivalents $ 4,588 $ 7,571
Prepaid expenses 116 442
Other current assets 11 11
Total current assets 4,715 8,024
Other investment 5,350 5,350
Total assets 10,065 13,374
Current liabilities:    
Accounts payable 651 1,198
Accrued research and development costs 97 90
Accrued expenses and other current liabilities 534 798
Total current liabilities 1,282 2,086
Commitments and contingencies (Note 8) 0 0
Stockholders' equity    
Preferred shares, no par value, 500,000 shares authorized and 351,037 series A convertible preferred stock issued and outstanding at June 30, 2024 and December 31, 2023 0 0
Common stock, no par value, 20,000,000 shares authorized at June 30, 2024 and December 31, 2023; 2,710,096 and 2,645,096 shares issued at June 30, 2024 and December 31, 2023, respectively; 2,515,874 and 2,474,159 shares outstanding at June 30, 2024 and December 31, 2023, respectively 0 0
Paid-in capital 276,082 275,717
Accumulated deficit (267,299) (264,417)
Accumulated other comprehensive loss 0 (12)
Total stockholders' equity 8,783 11,288
Total liabilities and stockholders' equity $ 10,065 $ 13,374