v3.22.2.2
Condensed Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Current assets    
Cash and cash equivalents  $ 21,977 $ 82,647
Investment securities, available-for-sale 61,281 32,720
Inventory 1,762 1,780
Other current assets 2,832 2,283
Total current assets 87,852 119,430
Property and equipment, net 4,545 3,026
Operating lease right-of-use asset 14,486 5,577
Restricted cash 1,418 1,092
Intangible assets, net 85 115
Other assets 1,005 985
Total assets 109,391 130,225
Current liabilities    
Accounts payable 1,519 3,584
Accrued liabilities 1,588 1,170
Contract liabilities 4,601 5,265
Other current liabilities  1,459 1,181
Current portion of long-term debt 392
Current portion of operating lease liability 769 849
Current portion of finance lease obligations 25 21
Total current liabilities 9,961 12,462
Operating lease liability, net of current portion 13,803 4,983
Finance lease obligations, net of current portion 2 26
Total liabilities 23,766 17,471
Shareholders' equity    
Preferred stock, par value $0.001; 25,000 shares authorized; no and     no shares issued and outstanding
Common stock, par value $0.001; 210,000 shares authorized;     165,885 and 164,363 shares issued and outstanding at September 30,     2022 and December 31, 2021, respectively 166 164
Additional paid-in capital 754,702 742,042
Accumulated other comprehensive loss (194) (19)
Accumulated deficit (669,049) (629,433)
Total shareholders' equity 85,625 112,754
Total liabilities and shareholders' equity $ 109,391 $ 130,225

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