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STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Cash flows from operating activities:    
Net Income (loss) $ 7,167 $ (61,319)
Adjustments to reconcile net income (loss) to net cash used in operating activities:    
Depreciation and amortization 3,404 6,817
Share-based compensation 12,604 14,040
Loss on disposal of assets 436 563
Gain on disposal of business   (8,446)
Non-cash interest expense 249 368
Amortization of right-of-use assets 1,173 1,438
Gain on changes in fair value (258) (1,145)
Loss from equity method investment 1,084 4,931
Amortization of discount on note receivable (695) (515)
Gain on change in fair value of warrant liability (29,610)  
Impairment charges   641
Changes in operating assets and liabilities:    
Prepaid expenses (464) 1,051
Marketable securities 1,990  
Convertible note receivable 9,750  
Accounts receivable 672 (181)
Contract asset (1,469)  
Other assets and other current assets (262) 1,752
Accounts payable (2,096) 1,508
Other liabilities and other current liabilities (2,128) (724)
Deferred revenue (58,860) (43,947)
Lease liabilities (1,132) (946)
Net cash used in operating activities (58,445) (84,114)
Cash flows from investing activities:    
Proceeds from disposal of business   8,000
Purchases of property, equipment and software (250) (1,957)
Purchases of intangibles assets (25) (321)
Proceeds from sale of equipment 60 107
Net cash (used in) provided by investing activities (215) 5,829
Cash flows from financing activities:    
Proceeds from stock option exercises   31
Proceeds from employee stock purchase plan 249 370
Proceeds from offering of common stock and warrants, net of issuance costs 49,333 4,986
Proceeds from offering of common stock to collaboration partners and licensees 905  
Repayment of revolving credit facility (22,505)  
Borrowings from term loan debt facility, net of issuance costs paid to lender 22,468  
Net cash provided by financing activities 50,450 5,387
Net decrease in cash, cash equivalents and restricted cash (8,210) (72,898)
Cash, cash equivalents, and restricted cash-beginning of period 116,678 189,576
Cash, cash equivalents, and restricted cash -end of period 108,468 116,678
Reconciliation of cash, cash equivalents and restricted cash:    
Cash and cash equivalents 85,899 116,678
Restricted cash 22,569 0
Total of cash, cash equivalents and restricted cash 108,468 116,678
Supplemental disclosures of noncash financing and investing activities:    
Property, equipment and software additions included in accounts payable, accrued expenses and other current liabilities 48 14
Intangible asset additions included in accounts payable and accrued expenses and other current liabilities 250  
Cash paid for interest $ 1,738 2,018
Unsettled at-the-market issuances of common stock included in other current assets   $ 320