Long-Term Debt and Borrowing Arrangements - Schedule of Indebtedness (Parentheticals) (Details) $ in Thousands, € in Millions	Jun. 30, 2026 USD ($)	Jun. 30, 2026 EUR (€)	May 31, 2026 USD ($)	Apr. 30, 2026 EUR (€)	Feb. 28, 2026 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2025 EUR (€)	Nov. 30, 2025 USD ($)
$5.5 Million Revolving Credit Arrangement [Member] \| Due September 30, 2034 [Member]
Schedule of Indebtedness [Line Items]
Debt instrument, maximum borrowing capacity	$ 5,500					$ 5,500
$15.0 Million Revolving Credit Arrangement [Member] \| Due September 30, 2030 [Member]
Schedule of Indebtedness [Line Items]
Debt instrument, maximum borrowing capacity	15,000					15,000		$ 15,000
$0.9 million Term Loan - Related Party [Member]
Schedule of Indebtedness [Line Items]
Debt instrument, principal amount	900
$0.9 million Term Loan - Related Party [Member] \| Due May 16, 2025 [Member]
Schedule of Indebtedness [Line Items]
Debt instrument, principal amount	900					900
Euro 7 million term loan [Member] \| Due April 2027 [Member]
Schedule of Indebtedness [Line Items]
Debt instrument, principal amount \| €		€ 7.0					€ 7.0
€1.5 million term loan [Member] \| Due April 2026 [Member]
Schedule of Indebtedness [Line Items]
Debt instrument, principal amount \| €		€ 1.5		€ 1.5			€ 1.5
$0.5 Million Demand Note - Related Party [Member] \| Due December 2025 [Member]
Schedule of Indebtedness [Line Items]
Debt instrument, principal amount	500				$ 500	500
$0.5 Million Demand Note - Related Party [Member] \| Due December 2025 [Member]
Schedule of Indebtedness [Line Items]
Debt instrument, principal amount			$ 250
$0.25 Million Demand Note - Related Party [Member] \| Due December 2025 [Member]
Schedule of Indebtedness [Line Items]
Debt instrument, principal amount	$ 250					$ 250