Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS

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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 3,427 $ 13,823
Restricted cash 99 499
Prepaid expenses and other current assets 606 859
Total current assets 4,132 15,181
Non-current restricted cash 0 99
Land, buildings, and equipment 4,516 21,731
Operating lease right-of-use assets 13,615 0
Other non-current assets 158 183
Total assets 22,421 37,194
Current liabilities:    
Accounts payable 340 1,260
Accrued expenses 173 339
Accrued compensation 107 2,522
Due to related parties 175 172
Current portion of financing lease obligations 97 370
Common stock warrants 291 0
Other current liabilities 479 191
Total current liabilities 1,662 4,854
Financing lease obligations 0 17,506
Operating lease obligations 13,447 0
Other non-current liabilities 79 702
Total liabilities 15,188 23,062
Stockholders' equity:    
Common stock, $0.0001 par value; 275,000,000 shares authorized; 48,944,771 shares issued and 48,844,619 shares outstanding as of December 31, 2022, and 38,874,146 shares issued and 38,773,994 shares outstanding as of December 31, 2021 5 4
Additional paid-in capital 220,422 211,263
Common stock in treasury, at cost; 100,152 shares as of December 31, 2022, and December 31, 2021 (1,043) (1,043)
Accumulated deficit (212,151) (196,092)
Total stockholders' equity 7,233 14,132
Total liabilities and stockholders' equity $ 22,421 $ 37,194