Long-Term Debt (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Long-Term Debt
Long-term Debt, Total	$ 5,000	$ 5,000
Long-term debt, noncurrent	$ 5,000	$ 5,000	[1]

[1] The balance sheet as December 31, 2024 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.