Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	May 31, 2014	May 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (19,199)	$ (26,686)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	4,953	6,252
Goodwill impairment	0	1,077
Impairment of long-lived assets		851
Impairment loss on investment		1,885
Stock-based compensation expense	1,530	1,497
Bad debt expense	89	805
Provisions for inventory write-downs	1,618	2,263
Equity in losses from unconsolidated entities, net	152	172
Income recognized on patents assignment	(38)	(38)
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable, net	(687)	1,533
Inventories	(907)	1,292
Prepaid expenses and other	(161)	(189)
Accounts payable	(740)	209
Accrued expenses and other current liabilities	(377)	(724)
Net cash used in operating activities	(13,767)	(9,801)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property, plant and equipment	(1,911)	(2,633)
Purchase of investments	(206)	(2,873)
Payments related to acquisition of business	(2,069)
Payments for development of intangible assets	(271)	(323)
Proceeds from sale of short-term investments		8,831
Proceeds from sale of investment	114
Proceeds from return of investment in unconsolidated entity		250
Increase in restricted cash	(122)
Other investing activities, net	(86)	5
Net cash provided by (used in) investing activities	(4,551)	3,257
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from line of credit	170
Payments on line of credit	(170)	(1,623)
Proceeds from long-term debt		2,902
Payments of long-term debt	(1,712)	(951)
Proceeds from (payments of) loan from related party	(201)	204
Acquisition of noncontrolling interests		(202)
Other financing activities	12	74
Net cash provided by (used in) financing activities	(1,901)	404
Effect of exchange rate changes on cash and cash equivalents	31	279
NET DECREASE IN CASH AND CASH EQUIVALENTS	(20,188)	(5,861)
CASH AND CASH EQUIVALENTS-Beginning of period	36,272	47,228
CASH AND CASH EQUIVALENTS-End of period	16,084	41,367
NONCASH INVESTING AND FINANCING ACTIVITIES:
Accrual related to property, plant and equipment	$ 279	$ 1,749