Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenues, net	$ 19,647	$ 21,831
Cost of revenues	2,773	2,905
Gross profit	16,874	18,926
Expenses:
Selling and operating	16,123	16,785
Corporate, general and administration	1,773	1,785
Acquisition costs		49
Total operating expenses	17,896	18,619
Income (loss) from operations	(1,022)	307
Interest and other expense, net	(121)	(60)
Income (loss) before income taxes	(1,143)	247
Income (loss) from continuing operations	(1,143)	247
Income (loss) from discontinued operations		(161)
Net income (loss)	$ (1,143)	$ 86
Basic
Continuing operations	$ (0.05)	$ 0.01
Discontinued operations		(0.01)
Basic earnings (loss) per share	(0.05)
Diluted
Continuing operations	(0.05)	0.01
Discontinued operations		$ (0.01)
Diluted earnings (loss) per share	$ (0.05)
Weighted-average shares outstanding:
Basic	20,826	20,465
Diluted	20,826	20,816