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Stock-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Share-based Payment Arrangement, Option, Activity
A summary of the status of the 2015 Plan and 2021 Plan as of December 31, 2025 and March 31, 2026, and changes during the three month period ended March 31, 2026, is presented below:
Options Outstanding
Number of OptionsWeighted-Average Exercise PriceWeighted-Average Remaining Contractual Term
(in years)		Aggregate Intrinsic Value
(in thousands)
Outstanding at December 31, 2025487,427 $69.89 5.09$98 
Granted— — 
Exercised— — — 
Forfeited— — 
Cancelled(13,680)82.45 
Outstanding at March 31, 2026473,747 $69.52 4.90$58 
Vested and exercisable at March 31, 2026473,747 $69.52 4.90$58 
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions
The following table summarizes the weighted-average assumptions used in estimating the fair value of the 2021 ESPP grants for the following offering periods presented, using the Black Scholes option-pricing model:
Offering Period - November 3, 2025 to May 2, 2026
Offering Period - May 3, 2025 to November 2, 2025
Offering Period - November 3, 2024 to May 2, 2025
Risk-free interest rate3.80 %4.26 %4.30 %
Dividend yield— — — 
Volatility37.13 %37.13 %37.13 %
Expected lives (years)0.50.50.5
Schedule of Share-based Payment Arrangement, Restricted Stock Unit, Activity
RSU activity during the three months ended March 31, 2026 was as follows:
Number of SharesWeighted-Average Grant Date Fair Value per Share
Unvested at December 31, 2025
491,544 $11.48 
Granted— — 
Vested(53,044)15.11 
Forfeited(34,515)12.49 
Unvested at March 31, 2026
403,985 $10.92 
Schedule of Share-Based Payment Arrangement, Performance Shares, Activity
PSU activity during the three months ended March 31, 2026 was as follows:
Target Number of SharesWeighted-Average Grant Date Fair Value per Share
Unvested at December 31, 2025
83,780 $11.25 
Granted— — 
Vested— — 
Forfeited(33,705)5.92 
Unvested at March 31, 2026
50,075 $14.84 
Schedule of Stock-based Compensation Expense
Stock-based compensation expense, recognized as selling, general, and administrative expense in the condensed consolidated statements of operations and comprehensive loss for the three months ended March 31, 2026 and 2025, was comprised of the following:
Three Months Ended March 31,
(in thousands)20262025
Stock-based compensation, net of amounts capitalized$1,166 $2,284 
Capitalized stock-based compensation2 35 
Total stock-based compensation$1,168 $2,319