Condensed Consolidated Statements of Cash Flows (Unaudited) $ in Thousands, ¥ in Millions	9 Months Ended
	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)
Cash Flow from Operating Activities
Net income / (loss)	$ 1,597	$ 1,580
Adjustments to reconcile net income to net cash flow provided by operating activities
Depreciation and amortization	3,641	2,263
Stock compensation	337	459
Addition of provision for obsolete inventories	49	25
Bad debt recovery, net of allowance charged	(15)	(61)
Accrued interest expense, net (accrued interest income)	(14)	85
Payment of interest portion of finance lease	(8)	(20)
Reversal of income tax provision	8	(18)
Warranty recovery, net	3	0
Deferred tax expenses / (benefit)	100	(7)
Repayment of operating lease	(1,008)	(801)
Changes in operating assets and liabilities, net of acquisition effects
Trade accounts receivable	613	(2,214)
Other receivables	129	(688)
Other assets	0	134
Inventories	64	(233)
Prepaid expenses and other current assets	442	(312)
Accounts payable and accrued expenses	(180)	242
Income taxes payable	(271)	145
Other non-current liabilities	924	0
Net Cash Provided by Operating Activities	6,411	579
Cash Flow from Investing Activities
Withdrawal from unrestricted term deposits	4,888	3,761
Investment in unrestricted term deposits	(4,990)	(2,079)
Additions to property, plant and equipment	(4,077)	(1,144)
Net Cash (Used in) / Provided by Investing Activities	(4,179)	538
Cash Flow from Financing Activities
Payment on lines of credit	(1,402)	(1,025)
Payment of bank loans	(359)	(322)
Payment of principal portion of finance leases	(92)	(168)
Dividends paid to non-controlling interest	0	(122)
Proceeds from exercising stock options	19	429
Proceeds from lines of credit	580	1,463
Proceeds from bank loans	176	255
Net Cash (Used in) / Provided by Financing Activities	(1,078)	510
Effect of Changes in Exchange Rate	417	9
Net Increase in Cash, Cash Equivalents, and Restricted Cash	1,571	1,636
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	9,376	7,577
Cash, Cash Equivalents, and Restricted Cash at End of Period	10,947	9,213
Supplementary Information of Cash Flows
Interest	83	84
Income taxes	489	342
Cash	8,430	7,478
Restricted term deposits	755	0
Restricted Term-Deposits in Non-Current Assets	1,762	1,735
Total Cash, Cash Equivalents, and Restricted Cash Shown in Statements of Cash Flows	$ 10,947	$ 9,213