Stock-Based Compensation, Share-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024		Jun. 30, 2023
Stock-Based Compensation Expense [Abstract]
Stock-based compensation expense	$ 163	$ 352	$ 275		$ 677
Selling and Marketing [Member]
Stock-Based Compensation Expense [Abstract]
Stock-based compensation expense	13	56	(24)	[1]	578	[1]
General and Administrative [Member]
Stock-Based Compensation Expense [Abstract]
Stock-based compensation expense	$ 150	$ 296	$ 299		$ 99

[1] Selling and marketing expense was negative during the six months ended June 30, 2024 due to the forfeiture of awards during the period.