CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (IN THOUSANDS) - USD ($) $ in Thousands	9 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Cash Flow from Operating Activities
Net (loss)/income	$ (49)	$ 1,125
Adjustments to reconcile net (loss)/income to net cash flow provided by operating activities
Depreciation and amortization	2,224	2,350
Impairment loss on long-lived assets	0	139
Stock compensation	144	52
Addition/(reversal) of provision for obsolete inventories	(2)	5
Bad debt (recovery) expenses	(15)	0
Allowance for doubtful debt	0	62
Accrued interest expense, net accrued interest income	(18)	(35)
Payment of interest portion of finance lease	(32)	(43)
Gain on sale of asset held for sale	0	(1,172)
Gain on sale of property, plant and equipment	(1)	(24)
Dividend income	(32)	0
Dividend received	32	0
Deferred tax benefit	(70)	(132)
Changes in operating assets and liabilities, net of acquisition effect
Trade accounts receivable	(1,013)	664
Other receivables	320	(248)
Other assets	(33)	101
Inventories	(624)	108
Prepaid expenses and other current assets	(76)	20
Accounts payable and accrued expenses	754	(449)
Income taxes payable	(44)	(29)
Operating lease liabilities	(565)	(398)
Net cash provided by operating activities	900	2,096
Cash Flow from Investing Activities
Proceeds from disposal of property, plant and equipment	0	39
Proceeds from sale of asset held for sale	0	1,261
Withdrawal of un-restricted deposit	1,166	0
Investments in restricted and unrestricted deposits	(1,370)	(2,393)
Addition to property, plant and equipment	(621)	(848)
Net cash used in investing activities	(825)	(1,941)
Cash Flow from Financing Activities
Payment on lines of credit	(174)	(1,922)
Payment of bank loans	(296)	(372)
Payment of principal portion of finance leases	(192)	(251)
Dividends paid to non-controlling interest	(189)	(120)
Proceeds from bank loans	189	0
Proceeds from exercising stock options	754	0
Proceeds from lines of credit	187	2,090
Proceeds from principal of finance leases	0	279
Net cash (used in)/provided by financing activities	279	(296)
Effect of changes in exchange rate	753	(431)
Net increase/(decrease) in cash, cash equivalents, and restricted cash	1,107	(572)
Cash, cash equivalents, and restricted cash at beginning of period	5,810	6,569
Cash, cash equivalents, and restricted cash at end of period	6,917	5,997
Supplementary Information of Cash Flows
Interest	69	186
Income taxes	203	124
Non-Cash Transactions
Finance lease of property, plant and equipment	0	279
Reconciliation of Cash, Cash Equivalents, and Restricted Cash
Cash	5,178	4,370
Restricted term-deposits in non-current assets	1,739	1,627
Total cash, cash equivalents, and restricted cash shown in Statement of Cash Flows	$ 6,917	$ 5,997

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