Segment Information (Reconciliation Of Adjusted EBITDA) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2019	Feb. 28, 2018
Segment Reporting Information [Line Items]
Consolidated Adjusted EBITDA	$ 964	$ (668)	$ 4,133	$ (66)
Stock-based compensation expense	(1,043)	(779)	(1,989)	(1,736)
Increase in contingent consideration liabilities	(52)	(477)	(76)	(652)
Licensee transition costs	(428)		(488)
ERP system implementation costs		(429)		(855)
Depreciation	(1,697)	(1,379)	(3,251)	(2,280)
Amortization	(1,300)	(1,395)	(2,538)	(2,791)
Loss from operations	(3,556)	(5,127)	(4,209)	(8,380)
Interest income	9	25	22	59
Interest expense	(623)	(692)	(1,255)	(1,240)
Discount accretion on related party receivable	243	29	258	56
Loss before income taxes	(3,927)	(5,765)	(5,184)	(9,505)
Income tax benefit	410	3,025	310	4,373
Net loss	(3,517)	(2,740)	(4,874)	(5,132)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Consolidated Adjusted EBITDA	2,852	1,342	7,855	4,302
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Consolidated Adjusted EBITDA	$ (1,888)	$ (2,010)	$ (3,722)	$ (4,368)