CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash Flow from Operating Activities
Net (loss) / income	$ (1,155)	$ 1,116	[1]
Adjustments to reconcile net income to net cash flow provided by operating activities
Gain on sale of assets held for sale	0	(1,172)
Depreciation and amortization	3,059	3,100
Impairment loss on other assets	(1,580)	0
Impairment loss on long-lived assets	0	139
Stock option expenses	249	146
(Reversal) / Addition of obsolete inventory	(15)	18
Payment of interest portion of finance leases	40	61
Bad debt (recovery) / expenses	(9)	59
Accrued interest expense, net accrued interest income	29	(69)
PPP loan forgiveness income	121	0
Dividend income	(32)	0
Dividend received	32	0
Gain on sale of property, plant and equipment	(1)	(24)
Warranty addition / (recovery), net	(3)	(26)
Deferred tax (benefit) / expenses	(139)	63
Changes in operating assets and liabilities
Trade accounts receivables	(2,347)	1,110
Other receivables	336	(181)
Other assets	(327)	100
Inventories	(98)	430
Prepaid expenses and other current assets	(97)	(54)
Accounts payable and accrued expenses	1,377	(968)
Income tax payable	118	12
Operating lease liabilities	764	727
Net Cash Provided by Operating Activities	1,638	3,011
Cash Flow from Investing Activities
Proceeds from sale of assets held for sale	0	1,167
Proceeds from disposal of property, plant and equipment	0	39
Withdrawal of un-restricted deposit	2,335	0
Investments in restricted and un-restricted deposits	(1,790)	(2,806)
Additions to property, plant and equipment	(1,112)	(1,017)
Net Cash used in Investing Activities	(567)	(2,617)
Cash Flow from Financing Activities
Payment on lines of credit	(589)	(2,437)
Payment of bank loans	(412)	(486)
Payment of principal portion of finance leases	(253)	(344)
Dividends paid on non-controlling interest	(189)	(235)
Proceeds from exercising stock options	754	0
Proceeds from bank loans	205	0
Proceeds from lines of credit	482	2,370
Proceeds from finance leases	0	279
Proceeds from PPP loan	0	121
Net Cash Used in Financing Activities	(2)	(732)
Effect of Changes in Exchange Rate	698	(421)
Net (Decrease) / Increase in Cash, Cash Equivalents, and Restricted Cash	1,767	(759)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	5,810	6,569
Cash, Cash Equivalents, and Restricted Cash at End of Period	7,577	5,810
Supplementary Information of Cash Flows
Cash paid during the period for Interest	122	229
Cash paid during the period for Income taxes	207	126
Non-Cash Transactions
Finance lease of property, plant and equipment	0	279
Reconciliation of Cash, cash equivalents, and restricted cash
Cash	5,836	4,150	[1]
Restricted Term Deposits	1,741	1,660
Cash, Cash Equivalents, and Restricted Cash at End of Period	$ 7,577	$ 5,810

[1] Restated