Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 29, 2016	Feb. 28, 2015
Revenues	$ 34,589	$ 34,427	$ 68,882	$ 67,661
Cost of revenues	24,469	23,795	48,793	47,584
Gross margin	10,120	10,632	20,089	20,077
Operating expenses:
Selling, general and administrative expenses	9,087	8,778	18,221	17,532
Income from operations	1,033	1,854	1,868	2,545
Other income(expense):
Net gain (loss) on trading securities	180	(13)	171	(56)
Interest and other income (expense)	2	6	(4)	6
Total other income(expense)	182	(7)	167	(50)
Income before income taxes	1,215	1,847	2,035	2,495
Provision for income taxes	484	728	804	981
Net income	731	1,119	1,231	1,514
Cumulative preferred stock dividend	(19)	(19)	(38)	(38)
Net income attributable to common shareholders	$ 712	$ 1,100	$ 1,193	$ 1,476
Basic and diluted earnings per share: (in dollars per share)	$ 0.15	$ 0.23	$ 0.25	$ 0.30
Basic and diluted weighted average common shares outstanding (in shares)	4,861,590	4,861,590	4,861,590	4,861,590