Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands		Total		Convertible Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Earnings [Member]
Balance at Aug. 31, 2017	[1]	$ 34,832		$ 1	$ 49	$ 12,378	$ 747	$ 21,657
Balance (in Shares) at Aug. 31, 2017	[1]			36,000	4,861,590
Preferred dividends		(19)		$ 0	$ 0	0	0	(19)
Foreign translation gain		148		0	0	0	148	0
Net income		1,195		0	0	0	0	1,195
Balance at Nov. 30, 2017		36,156		$ 1	$ 49	12,378	895	22,833
Balance (in Shares) at Nov. 30, 2017				36,000	4,861,590
Balance at Aug. 31, 2018	[1]	41,886	[2]	$ 1	$ 49	12,378	928	28,530
Balance (in Shares) at Aug. 31, 2018	[1]			36,000	4,861,590
Preferred dividends		(19)		$ 0	$ 0	0	0	(19)
Foreign translation gain		158		0	0	0	158	0
Net income		1,925		0	0	0	0	1,925
Balance at Nov. 30, 2018		$ 43,950		$ 1	$ 49	$ 12,378	$ 1,086	$ 30,436
Balance (in Shares) at Nov. 30, 2018				36,000	4,861,590

[1] Derived from the Company’s audited financial statements included in its Form 10-K for the year ended August 31, 2018 and 2017 as filed with the U. S. Securities and Exchange Commission on November 28, 2018 and 2017, respectively.

[2] Derived from the Company’s audited financial statements included in its Form 10-K for the year ended August 31, 2018 as filed with the U. S. Securities and Exchange Commission on November 28, 2018.