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, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Earnings (Loss) from continuing operations	$ (586)	$ (1,996)
Basic:
Weighted-average shares outstanding	6,957	7,149
Diluted:
Weighted-average shares outstanding	6,957	7,149
Earnings (loss) from discontinued operations	$ (554)	$ 242
Net loss	$ (1,140)	$ (1,754)
Weighted-average number of shares outstanding—basic	6,957	7,149
Effect of dilutive director, employee and guarantor options and outstanding common share warrants	0	0
Weighted-average number of shares outstanding—diluted	6,957	7,149
Basic:
Weighted-average shares outstanding, Per Share Amount from continuing operations	$ (0.08)	$ (0.28)
Weighted-average shares outstanding, Per Share Amount from discontinued operations	(0.08)	0.03
Weighted-average shares outstanding, per share	(0.16)	(0.25)
Diluted:
Weighted-average shares outstanding, Per Share Amount from continuing operations	(0.08)	(0.28)
Weighted-average shares outstanding, Per Share Amount from discontinued operations	(0.08)	0.03
Weighted-average shares outstanding, per share	$ (0.16)	$ (0.25)