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Condensed Consolidated Balance Sheets (Unaudited) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 74,577 $ 113,984
Restricted cash, current 991 521
Financial assets:    
Accounts receivable 11,629 31,904
Contract assets 1,936 2,116
Unbilled receivables 5,661 7,016
Total financial assets 19,226 41,036
Less: allowances (133) (163)
Total financial assets, net 19,093 40,873
Inventories 2,305 2,029
Prepaid expenses and other current assets 5,402 5,487
Assets held for sale 646 0
Total current assets 103,014 162,894
Restricted cash 1,062 1,521
Investment in non-marketable equity securities ($0 and $13,921 with a related party) 18,013 20,510
Right-of-use assets - Operating leases, net 13,895 39,263
Property and equipment, net 15,282 22,614
Goodwill 2,463 3,241
Other non-current assets 726 350
Total assets 154,455 250,393
Current liabilities:    
Accounts payable 3,098 3,246
Accrued compensation 10,521 11,453
Other accrued liabilities 8,796 15,279
Current portion of lease obligations - Operating leases 6,764 5,360
Deferred revenue 9,236 13,728
Total current liabilities 38,415 49,066
Deferred revenue, net of current portion 10,100 16,881
Long-term lease obligations - Operating leases 13,215 38,278
Other long-term liabilities 1,219 1,371
Total liabilities 62,949 105,596
Commitments and Contingencies (Note 10)
Stockholders' equity:    
Preferred stock, $0.0001 par value per share; 5,000 shares authorized, none issued and outstanding 0 0
Common stock, $0.0001 par value per share; 200,000 shares authorized; 69,827 shares and 65,811 shares issued and outstanding as of September 30, 2023 and December 31, 2022, respectively 6 6
Additional paid-in capital 581,838 566,081
Accumulated deficit (490,338) (421,290)
Total stockholders' equity 91,506 144,797
Total liabilities and stockholders' equity $ 154,455 $ 250,393