Nature of Business and Basis of Presentation - Schedule of revenue and income (loss) from operations (Details) - USD ($)	3 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Revenue	$ 2,053,000	$ 3,027,000	$ 2,680,000	$ 1,935,000	$ 2,085,000	$ 2,875,000	$ 2,701,000	$ 2,013,000
Income (loss) from operations	$ (161,000)	$ 481,000	$ 832,000	$ (13,000)	$ (60,000)	$ 537,000	$ 653,000	$ (33,000)