Summary of Significant Accounting Policies (Narrative) (Details)	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2026 USD ($) customer	Mar. 31, 2026 USD ($)	Jun. 30, 2025 USD ($) customer	Mar. 31, 2025 USD ($)	Jun. 30, 2026 USD ($) segment customer	Jun. 30, 2025 USD ($) customer	Dec. 31, 2025 customer
Accounting Policies [Line Items]
Number of reportable segments | segment					1
Number of operating segments | segment					1
Available for sale securities, credit loss expense	$ 0				$ 0
Available for sale securities, unrealized gain (loss)	0
Investments			$ 0			$ 0
Impairment of long-lived assets	0		0		$ 7,500,000	0
Revenue, customer contract period (in days)					30 days
Foreign exchange transaction (losses)	(110,000)		110,000		$ (528,000)	(247,000)
Foreign currency translation gain (loss)	$ (9,000)	$ 262,000	$ 291,000	$ (236,000)	$ 253,000	$ 55,000
Options to Purchase Common Stock [Member]
Accounting Policies [Line Items]
Applicable service period (in years)					4 years
Implementation and Onboarding Costs [Member]
Accounting Policies [Line Items]
Capitalized contract cost, amortization period (in years)	2 years				2 years
New Site Commission Costs [Member]
Accounting Policies [Line Items]
Capitalized contract cost, amortization period (in years)	3 years				3 years
No Customer [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member]
Accounting Policies [Line Items]
Number of major customers | customer	0		0		0	0
No Customer [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]
Accounting Policies [Line Items]
Number of major customers | customer						0	0