Earnings Per Share - Schedule of Calculation of Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Loss from continuing operations	$ (1,133)	$ (1,959)
Weighted-average shares outstanding	8,283	9,346
Weighted-average shares outstanding	8,283	9,346
Earnings (loss) from discontinued operations	$ (460)	$ 4,647
Weighted-average shares outstanding	8,283	9,346
Weighted-average shares outstanding	8,283	9,346
Net earnings (loss)	$ (1,593)	$ 2,688
Weighted-average shares outstanding	8,283	9,346
Weighted-average shares outstanding	8,283	9,346
Weighted-average number of shares outstanding-basic	8,283	9,346
Effect of dilutive director, employee and guarantor options and outstanding common share warrants	0	0
Weighted-average number of shares outstanding-diluted	8,283	9,346
Weighted-average shares outstanding, per share	$ (0.14)	$ (0.21)
Weighted-average shares outstanding, per share	(0.14)	(0.21)
Weighted-average shares outstanding, per share	(0.06)	0.50
Weighted-average shares outstanding, per share	(0.06)	0.50
Weighted-average shares outstanding, per share	(0.19)	0.29
Weighted-average shares outstanding, per share	$ (0.19)	$ 0.29