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Segment Information (Reconciliation Of Adjusted EBITDA) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
May 31, 2018
May 31, 2017
May 31, 2018
May 31, 2017
Segment Reporting Information [Line Items]        
Consolidated Adjusted EBITDA $ 588 $ (18) $ 524 $ (3,204)
Stock-based compensation expense (446) (1,210) (2,182) (3,987)
Reduction (increase) in contingent consideration liabilities (136)   (789) 1,936
Costs to exit Japan publishing business   (1,792)   (1,792)
Restructuring costs   (1,335)   (1,335)
Contract termination costs       (1,500)
China office start-up costs       (505)
ERP system implementation costs   (327) (855) (920)
Other expenses   (25)   (25)
Depreciation (1,267) (949) (3,547) (2,743)
Amortization (1,326) (835) (4,117) (2,278)
Loss from operations (2,587) (6,491) (10,966) (16,353)
Interest income 35 52 94 181
Interest expense (738) (618) (1,979) (1,861)
Discount accretion on related party receivable 202 34 258 129
Loss before income taxes (3,088) (7,023) (12,593) (17,904)
Income tax benefit 554 2,482 4,927 6,073
Net loss (2,534) (4,541) (7,666) (11,831)
Operating Segments [Member]        
Segment Reporting Information [Line Items]        
Consolidated Adjusted EBITDA 3,573 2,734 9,446 5,039
Corporate And Eliminations [Member]        
Segment Reporting Information [Line Items]        
Consolidated Adjusted EBITDA $ (2,985) $ (2,752) $ (8,922) $ (8,243)