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Stockholders' Equity (Narrative) (Details) - USD ($)		3 Months Ended		6 Months Ended
	Apr. 02, 2024	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Directors compensation expense		$ 200,000		$ 700,000	$ 400,000
Remaining authorized repurchase amount		48,900,000		48,900,000
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		100,000	$ 200,000	300,000	400,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		600,000	400,000	1,100,000	600,000
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		800,000	700,000	$ 1,000,000.0	1,400,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage				33.00%
Common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense				$ 800,000
Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Quarterly installment of annual cash retainer	$ 37,500
Admission grant	25,000
Officers and Key Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Directors compensation expense		$ 500,000	$ 700,000	$ 100,000	$ 700,000
Lead Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Quarterly installment of annual cash retainer	5,000
Additional installment of annual cash retainer	20,000
Chairman of Audit Committee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Quarterly installment of annual cash retainer	5,000
Additional installment of annual cash retainer	20,000
Chairman of Compensation Commitee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Quarterly installment of annual cash retainer	3,750
Additional installment of annual cash retainer	15,000
Chairman of Corporate Governance
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Quarterly installment of annual cash retainer	2,500
Additional installment of annual cash retainer	$ 10,000

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