Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS

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CONSOLIDATED BALANCE SHEETS - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 92,302,000 $ 173,984,000
Marketable securities 38,067,000 0
Accounts receivable   7,000
Contract assets 2,979,000 2,324,000
Prepaid expenses and other current assets 3,237,000 2,242,000
Total current assets 136,585,000 178,557,000
Property and equipment, net 12,844,000 14,213,000
Marketable securities - noncurrent 13,038,000  
Other long-term assets 2,941,000 1,966,000
Restricted cash 3,086,000 3,086,000
Right-of-use asset – operating lease 14,104,000 14,831,000
Right-of-use assets – financing leases 337,000 597,000
Total assets 182,935,000 213,250,000
Current liabilities:    
Accounts payable 3,692,000 3,603,000
Accrued expenses 15,624,000 11,084,000
Deferred revenue, current portion 10,181,000 12,209,000
Financing lease obligations, current portion 291,000 265,000
Operating lease obligation, current portion 1,720,000 1,463,000
Total current liabilities 31,508,000 28,624,000
Deferred revenue, net of current portion   9,877,000
Financing lease obligations, net of current portion 65,000 356,000
Operating lease obligation, net of current portion 22,858,000 24,578,000
Warrant liability 3,029,000 19,711,000
Debt, net of debt discount, long term 40,257,000 39,551,000
Commitments and contingencies (See Note 10)
Stockholders' equity:    
Preferred stock, $0.001 par value; 10,000,000 shares authorized at December 31, 2021 and December 31, 2020; 0 shares issued and outstanding at December 31, 2021 and December 31, 2020
Common stock, $0.001 par value; 200,000,000 shares authorized at December 31, 2021 and December 31, 2020; 62,024,035 and 56,222,746 shares issued and outstanding at December 31, 2021 and December 31, 2020, respectively 61,000 56,000
Additional paid-in capital 548,815,000 467,518,000
Accumulated other comprehensive loss (79,000)  
Accumulated deficit (463,579,000) (377,021,000)
Total stockholders' equity 85,218,000 90,553,000
Total liabilities and stockholders' equity $ 182,935,000 $ 213,250,000