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Stockholders' Equity (Tables)
 6 Months Ended
Jun. 30, 2025
Equity [Abstract]  
Schedule of Outstanding Stock Warrants
Shown below is a summary of our outstanding stock warrants:
Public
warrants		Private
warrants		PIPE
warrants		Total
Outstanding, December 31, 202416,692,572 300,000 2,052,500 19,045,072 
Exercise of stock warrants— — — — 
Outstanding, June 30, 202516,692,572 300,000 2,052,500 19,045,072 
Schedule of Stock-Based Compensation Expense
Stock-based compensation from stock options and RSUs under our Equity Incentive Plans were included in the following lines in the accompanying condensed consolidated statements of operations during the periods presented (in thousands):
Three months ended June 30,Six months ended June 30,
2025202420252024
Cost of revenue$220 $242 $460 $409 
Research and development313 270 567 440 
Selling, general and administrative1,373 1,429 2,701 2,339 
Total stock-based compensation expense$1,906 $1,941 $3,728 $3,188