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UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 2,335 $ 8,577
Prepaid expenses and other assets 1,329 1,474
Total current assets 3,664 10,051
Property and equipment, net 1,796 2,530
Right-of-use asset 6,893 7,257
Investment in convertible notes receivable 2,000 0
Other noncurrent assets 3,202 3,490
Total assets 17,555 23,328
Current liabilities:    
Accounts payable 343 361
Accrued expenses and other current liabilities 1,088 1,278
Total current liabilities 1,431 1,639
Lease liability, noncurrent 6,419 6,767
Total liabilities 7,850 8,406
Contingencies (Note 11)
Stockholders’ equity:    
Preferred stock, $0.0001 par value per share; 10,000,000 shares authorized, no shares issued and outstanding, June 30, 2023 and December 31, 2022 0 0
Common stock, $0.0001 par value per share; 200,000,000 shares authorized, 8,648,307 issued and outstanding, June 30, 2023; 4,965,901 issued and outstanding, December 31, 2022 1 0
Additional paid-in capital 192,524 187,571
Accumulated deficit (182,820) (172,649)
Total stockholders’ equity 9,705 14,922
Total liabilities and stockholders’ equity $ 17,555 $ 23,328