Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)

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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 69,575 $ 92,302
Marketable securities 40,686 38,067
Contract assets 3,182 2,979
Prepaid expenses and other current assets 3,034 3,237
Total current assets 116,477 136,585
Property and equipment, net 12,554 12,844
Marketable securities - noncurrent 2,638 13,038
Other long-term assets 3,155 2,941
Restricted cash 3,086 3,086
Right-of-use asset – operating lease 13,900 14,104
Right-of-use assets – financing leases 271 337
Total assets 152,081 182,935
Current liabilities:    
Accounts payable 2,841 3,692
Accrued expenses 13,249 15,624
Deferred revenue 7,773 10,181
Financing lease obligations, current portion 274 291
Operating lease obligation, current portion 1,789 1,720
Debt, current portion 1,667  
Total current liabilities 27,593 31,508
Financing lease obligations, net of current portion 12 65
Operating lease obligation, net of current portion 22,378 22,858
Warrant liability 581 3,029
Debt, net of debt discount, long term 38,775 40,257
Commitments and contingencies (See Note 10)
Stockholders' equity:    
Preferred stock, $0.001 par value; 10,000,000 shares authorized at March 31, 2022 and December 31, 2021; 0 shares issued and outstanding at March 31, 2022 and December 31, 2021
Common stock, $0.001 par value; 200,000,000 shares authorized at March 31, 2022 and December 31, 2021; 62,801,296 and 62,024,035 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively 61 61
Additional paid-in capital 551,679 548,815
Accumulated other comprehensive loss (273) (79)
Accumulated deficit (488,725) (463,579)
Total stockholders' equity 62,742 85,218
Total liabilities and stockholders' equity $ 152,081 $ 182,935