Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2016	Aug. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (21,304)	$ (13,318)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	5,526	4,969
Goodwill impairment	55
Impairment of long-lived assets	8,635
Impairment loss on investment	597	0
Stock-based compensation expense	382	1,289
Bad debt expense	125	74
Provisions for inventory write-downs	1,542	1,400
Gain on disposals of property, plant and equipment, net	(23)	(221)
Equity in loss from unconsolidated entities	79	56
Changes in:
Accounts receivable, net	1,042	(165)
Inventories	380	1,430
Prepaid expenses and other	281	531
Accounts payable	(85)	(624)
Accrued expenses and other current liabilities	(671)	54
Net cash used in operating activities	(3,439)	(4,525)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(821)	(1,574)
Proceeds from sales of property, plant and equipment	357	123
Payments for development of intangible assets	(54)	(49)
Decrease in restricted cash		334
Other investing activities	(17)	26
Net cash used in investing activities	(535)	(1,140)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of long-term debt	(1,065)	(1,808)
Proceeds from issuance of common stock	2,885
Other financing activities	3,500
Net cash provided by (used in) financing activities	5,320	(1,808)
Effect of exchange rate changes on cash and cash equivalents	(124)	(368)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	1,222	(7,841)
CASH AND CASH EQUIVALENTS—Beginning of year	4,808	12,649
CASH AND CASH EQUIVALENTS—End of year	6,030	4,808
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for interest	60	105
Cash paid for income taxes	3	5
NONCASH INVESTING AND FINANCING ACTIVITIES:
Accrual related to property, plant and equipment	$ 257	522
Proceeds from sale of property, plant and equipment included in other current liabilities		$ 884