Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Cash Flow from Operating Activities
Net income	$ 306	$ 693
Adjustments to reconcile net income to net cash flow provided by operating activities
Unrealized foreign exchange (gain) / loss	(100)	91
Depreciation and amortization	1,422	2,784
(Gain) / Loss on sales of property, plant and equipment	(47)	71
Provision for obsolete inventories, net	104	14
Stock compensation	125	90
Bad debt recovery	(14)	(3)
Allowance for expected credit losses	61	0
Accrued interest expense, net accrued interest income	(10)	(35)
Payment of interest portion of finance lease	(2)	(3)
Warranty expense / (recovery), net	0	15
Reversal of income tax provision	(6)	(7)
Deferred tax expense / (benefits)	50	(51)
Changes in operating assets and liabilities, net of acquisition effects
Trade accounts receivable	735	(2,562)
Other receivables	(420)	(90)
Other assets	97	(58)
Inventories	1,127	(1,342)
Prepaid expense and other current assets	(12)	129
Accounts payable, accrued expense and contract liabilities	(2,283)	3,147
Income taxes payable	(160)	(259)
Other non-current liabilities	3	(564)
Operating lease liabilities	(722)	(693)
Net Cash Provided by Operating Activities	254	1,367
Cash Flow from Investing Activities
Withdrawal from unrestricted term deposits, net	4,309	2,666
Investment in unrestricted term deposits, net	(4,002)	(1,641)
Additions to property, plant and equipment	(252)	(158)
Proceeds from disposal of property, plant and equipment	185	0
Proceeds from disposal of assets held-for-sale	0	269
Net Cash Provided by Investing Activities	240	1,136
Cash Flow from Financing Activities
Payment on lines of credit	(98)	(575)
Payment of bank loans	(140)	(241)
Payment of finance leases	(38)	(55)
Proceeds from exercising stock options	0	199
Proceeds from lines of credit	93	952
Net Cash (Used in) / Provided by Financing Activities	(183)	280
Effect of Changes in Exchange Rate	4	685
Net Increase in Cash, Cash Equivalents, and Restricted Cash	315	3,468
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	12,556	10,038
Cash, Cash Equivalents, and Restricted Cash at End of Period	12,871	13,506
Supplementary Information of Cash Flows
Interest	12	21
Income taxes	326	371
Cash	10,323	10,966
Restricted Term-Deposits in Current Assets	756	762
Restricted Term-Deposits in Non-Current Assets	1,792	1,778
Total Cash, Cash Equivalents, and Restricted Cash Shown in Statements of Cash Flows	$ 12,871	$ 13,506