Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2023	Aug. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (2,690)	$ (2,726)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,003	938
Stock-based compensation expense	518	459
Bad debt expense	0	126
Provisions for inventory write-downs	627	807
Loss on disposal of patents	3	9
Gain on disposals of long-lived assets, net		(196)
Changes in :
Accounts receivable	(147)	171
Inventories	(1,008)	(940)
Prepaid expenses and other assets	155	(53)
Accounts payable	157	(388)
Accrued expenses and other current liabilities	398	285
Net cash used in operating activities	(984)	(1,508)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(200)	(280)
Proceeds from sales of property, plant and equipment		196
Payments to acquire equity method investments	(93)
Payments for development of intangible assets	(28)	(13)
Placement of refundable deposits		(16)
Net cash used in investing activities	(321)	(113)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of long-term debt	(456)	(482)
Issuance of common stock		995
Acquisition of noncontrolling interests		(23)
Net cash (used in) provided by financing activities	(456)	490
Effect of exchange rate changes on cash and cash equivalents	50	555
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(1,711)	(576)
CASH, AND CASH EQUIVALENTS, AND RESTRICTED CASH—Beginning of year	4,452	5,028
CASH, AND CASH EQUIVALENTS, AND RESTRICTED CASH—End of year	2,741	4,452
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for interest	$ 371	$ 371