Earnings Per Share - Schedule of Earnings (Loss) Per Share and Shares Outstanding (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Loss from continuing operations	$ (1,655)	$ (1,722)
Basic:
Weighted Average Number Of Shares Outstanding Basic	7,019	6,945
Diluted:
Weighted Average Number Of Diluted Shares Outstanding	7,019	6,945
Loss from discontinued operations	$ (140)	$ (287)
Net loss	$ (1,795)	$ (2,009)
Weighted-average number of shares outstanding—basic	7,019	6,945
Effect of dilutive director, employee and guarantor options and outstanding common share warrants	0	0
Weighted-average number of shares outstanding—diluted	7,019	6,945
Basic:
Weighted-average shares outstanding, Per Share Amount from continuing operations	$ (0.24)	$ (0.25)
Weighted-average shares outstanding, Per Share Amount from discontinued operations	(0.02)	(0.04)
Weighted-average shares outstanding, per share	(0.26)	(0.29)
Earnings Per Share Diluted	(0.26)	(0.29)
Diluted:
Weighted-average shares outstanding, Per Share Amount from continuing operations	(0.24)	(0.25)
Income Loss From Continuing Operations Per Basic Share	(0.24)	(0.25)
Weighted-average shares outstanding, Per Share Amount from discontinued operations	(0.02)	(0.04)
Weighted-average shares outstanding, per share	$ (0.26)	$ (0.29)