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EQUITY-BASED COMPENSATION (Tables)
 12 Months Ended
Dec. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
The following table summarizes option activity during the years ended December 31, 2024 and 2023 and shows the exercisable shares as of December 31, 2024:

Number of SharesWeighted Average Exercise Price per Share
Options Outstanding January 1, 2023540,732 $146.03 
Granted10,000 5.10 
Forfeited(11,927)81.01 
Exercised— — 
Expired(168,966)137.08 
Options Outstanding December 31, 2023369,839 148.40 
Granted— — 
Forfeited(11,289)36.95 
Exercised— — 
Expired(61,000)158.88 
Options Outstanding December 31, 2024297,550 150.48 
Exercisable December 31, 2024279,060 158.62 
Schedule of Estimated Fair Value of Options Awarded The following table summarizes the inputs used to calculate the estimated fair value of options awarded for the years ended December 31:
20242023
Expected term (in years)0.006.30
Volatility— %88 %
Expected dividends— — 
Risk-free interest rates— %4.0 %
Estimated forfeitures— %— %
Weighted average fair value$— $3.89 
Schedule of Options Outstanding and Options Exercisable
The following table shows summary information for outstanding options and options that are exercisable (vested) as of December 31, 2024:

Options
Outstanding		Options
Exercisable
Number of options297,550 279,060 
Weighted average remaining contractual term (in years)4.394.20
Weighted average exercise price$150.48 $158.62 
Weighted average fair value$95.01 $90.26 
Aggregate intrinsic value (in millions)$— $— 
Schedule of RSU Activity
The following table summarizes RSU activity during the years ended December 31, 2024 and 2023:

Number of SharesWeighted Average Grant Date Fair Value per Share
RSUs Outstanding January 1, 2023435,488 $42.91 
Granted1,305,220 7.14 
Forfeited(128,588)35.73 
Vested/released(372,684)32.39 
RSUs outstanding December 31, 20231,239,436 9.15 
Granted3,227,061 1.31 
Forfeited(260,967)5.08 
Vested/released(718,550)4.10 
RSUs outstanding December 31, 20243,486,980 3.24 
Schedule of Weighted Average Fair Value of RSUs Awarded The following table summarizes the weighted average fair value of RSUs awarded for the years ended December 31:
20242023
Weighted average fair value$1.31 $7.14 
Schedule of Expense and Tax Benefit Related to Share-Based Compensation
The expense and tax benefits recognized on the Company’s consolidated statements of operations and comprehensive loss related to share-based compensation for the years ended December 31 (in thousands) are as follows:

20242023
Cost of sales$112 $300 
Research and development889 1,396 
Sales, general and administrative3,381 3,691 
Total equity-based compensation expense$4,382 $5,387 
Recognized tax benefit$— $— 

The share-based compensation cost capitalized to inventory or inventory transferred to property and equipment (also referred to as instruments) for the years ended December 31 (in thousands) is as follows:

20242023
Cost capitalized to inventory$26 $138