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Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-Based Compensation Expense and Related Income Tax Benefit Stock-based compensation expense by statement of operations caption and the related income tax benefit were as follows: 
Year Ended December 31,
(In thousands)202520242023
Cost of sales$55 $106 $125 
Research and development expenses567 769 1,098 
Selling, general and administrative expenses:
Employees
3,402 5,379 6,980 
Outside directors
1,074 446 606 
Total employee and director stock-based compensation expense$5,098 $6,700 $8,809 
Income tax benefit$767 $1,026 $1,369 
Schedule of Non-Vested Restricted Stock Award Activity
Non-vested restricted stock award activity was as follows:
202520242023
Shares
(in 000's)		Weighted-Average
Grant Date
Fair Value		Shares
(in 000's)		Weighted-Average
Grant Date
Fair Value		Shares
(in 000's)		Weighted-Average
Grant Date
Fair Value
Non-vested at beginning of the year595 $13.07 486 $21.66 376 $36.82 
Granted367 6.73 391 10.55 340 14.15 
Vested(362)14.48 (264)24.85 (211)35.77 
Forfeited(106)9.04 (18)17.40 (19)17.72 
Non-vested at end of the year494 $8.25 595 $13.07 486 $21.66 
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award Non-vested performance stock award activity was as follows:
20252024
Shares
(in 000s)		Weighted-Average Grant Date Fair ValueShares
(in 000s)		Weighted-Average Grant Date Fair Value
Non-vested at beginning of the year116 $4.72 — $— 
Granted744 1.87 116 4.72 
Vested— — — — 
Forfeited(116)2.84 — — 
Non-vested at end of the year744 $2.16 116 $4.72 
The assumptions we utilized in the Monte Carlo simulation model and the resulting weighted average fair value of performance stock grants were the following:
 Year Ended December 31,
 20252024
Weighted average fair value of grants1.87 $4.72 
Risk-free interest rate3.71 %4.08 %
Expected volatility55.86 %57.00 %
Expected life in years2.862.73
Detailed information regarding our active Stock Incentive Plans was as follows at December 31, 2025:
NameApproval DateTotal Shares
Available for Grant
Under the Plan		Remaining Shares
Available for Grant
Under the Plan		Outstanding Shares
Granted
Under the Plan
Amended and Restated 2018 Equity and Incentive Compensation Plan (1)
6/11/20243,391,794 — 2,094,545 
— 2,094,545 
(1)The 2018 Equity and Incentive Compensation Plan, as amended on June 8, 2021, was amended and restated on June 11, 2024 to create the Amended and Restated 2018 Equity and Incentive Compensation Plan which added an additional 1,000,000 shares.
Schedule of Stock Option Activity
Stock option activity was as follows:
202520242023
Number of Options
(in 000's)		Weighted-Average Exercise PriceWeighted-Average Remaining Contractual Term
(in years)		Aggregate Intrinsic Value
(in 000's)		Number of Options
(in 000's)		Weighted-Average Exercise PriceWeighted-Average Remaining Contractual Term
(in years)		Aggregate Intrinsic Value
(in 000's)		Number of Options
(in 000's)		Weighted-Average Exercise PriceWeighted-Average Remaining Contractual Term
(in years)		Aggregate Intrinsic Value
(in 000's)
Outstanding at beginning of the year779 $35.67 901 $38.78 782 $44.16 
Granted280 3.07 — — 235 24.77 
Exercised— — $— — — $— — — $— 
Forfeited/canceled/expired(203)38.68 (122)58.52 (116)46.59 
Outstanding at end of the year (1)
856 $24.29 4.96$150 779 $35.67 3.12$— 901 $38.78 3.67$— 
Vested and expected to vest at the end of the year (1)
856 $24.29 4.96$150 779 $35.67 3.12$— 901 $38.78 3.67$— 
Exercisable at the end of the year (1)
576 $34.61 2.54$— 673 $37.24 2.79$— 620 $44.06 2.60$— 
(1)The aggregate intrinsic value represents the total pre-tax value (the difference between our closing stock price on the last trading day of 2025, 2024 and 2023 and the exercise price, multiplied by the number of in-the-money options) that would have been received by the option holders had they all exercised their options on December 31, 2025, 2024 and 2023. This amount will change based on the fair market value of our stock.
Schedule of Weighted Average Fair Value of Stock Option Grants
The assumptions we utilized in the Black-Scholes option pricing model and the resulting weighted average fair value of stock option grants were the following:
 Year Ended December 31,
 202520242023
Weighted average fair value of grants$1.60 $— $10.83 
Risk-free interest rate3.72 %— %3.86 %
Expected volatility54.46 %— %45.89 %
Expected life in years5.270.004.70
Schedule of Significant Option Groups Outstanding and Related Weighted Average Exercise Price and Life Information
Significant option groups outstanding at December 31, 2025 and the related weighted average exercise price and life information were as follows:
 Options OutstandingOptions Exercisable
Range of Exercise PricesNumber
Outstanding
(in 000's)		Weighted-Average
Remaining 
Contractual Term (in years)		Weighted-Average
Exercise Price		Number
Exercisable
(in 000's)		Weighted-Average
Exercise Price
$2.97 to $3.21
280 9.92$3.07 — $— 
$24.77 to $34.56
411 2.8327.66 411 27.66 
$46.17 to $59.43
165 2.2451.93 165 51.93 
856 4.96$24.29 576 $34.61