CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (IN THOUSANDS) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash Flow from Operating Activities
Net income	$ 967	$ 570
Adjustments to reconcile net income to net cash flow provided by operating activities
Gain on sale of assets held for sale	(685)	0
Depreciation and amortization	1,777	1,594
Stock compensation	12	40
Usage of provision for obsolete inventory	(37)	(4)
Reversal of income tax provision	(145)	0
Bad debt recovery	1	0
Accrued interest expense, net accrued interest income	34	148
Gain on sale of property, plant and equipment - continued operations	(13)	(20)
Issuance of shares to service provider	0	51
Warranty recovery, net	(35)	1
Fixed assets written off	(33)	0
Deferred tax benefit / (provision)	78	33
Changes in operating assets and liabilities, net of acquisition effect
Trade accounts receivable	626	392
Other receivables	(153)	9
Other assets	489	(327)
Inventories	60	(506)
Prepaid expenses and other current assets	(99)	7
Accounts payable and accrued liabilities	60	250
Income tax payable	58	884
Net Cash Provided by Operating Activities	2,962	3,122
Cash Flow from Investing Activities
Proceeds from sale of assets held for sale	943	0
Proceeds from maturing of unrestricted and restricted term deposits and short-term deposits, net	0	484
Proceeds from disposal of plant, property and equipment	3	42
Investments in restricted and unrestricted deposits	(2,939)	(281)
Additions to property, plant and equipment	(2,576)	(2,050)
Net Cash Used in Investing Activities	(4,569)	(1,805)
Cash Flow from Financing Activities
Repayments on lines of credit	(7,316)	(7,397)
Repayment of bank loans and capital leases	(625)	(554)
Dividends paid to non-controlling interest	(125)	(125)
Proceeds from exercising of stock option	401	51
Proceeds from bank loans and capital leases	7,470	6,570
Net Cash Generated from / (Used in) Financing Activities	(195)	(1,455)
Effect of Changes in Exchange Rate	(125)	742
Net (Decrease) / Increase in Cash, Cash Equivalents, and Restricted Cash	(1,927)	604
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	8,234	4,772
Cash, Cash Equivalents, and Restricted Cash at End of Period	6,307	8,234
Supplementary Information of Cash Flows
Cash paid during the period for Interest	217	138
Cash paid during the period for Income taxes	114	225
Non-Cash Transactions
Capital lease of property, plant and equipment	0	228
Reconciliation of Cash, cash equivalents, and restricted cash
Cash	4,602	6,539
Restricted term-deposits in non-current assets	1,705	1,695
Cash, Cash Equivalents, and Restricted Cash at End of Period	$ 6,307	$ 8,234