CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (IN THOUSANDS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017	Jun. 30, 2017
Cash Flow from Operating Activities
Net income	$ (705)	$ 380	$ 570	$ 1,089
Adjustments to reconcile net income to net cash flow provided by operating activities
Depreciation and amortization			1,594	1,358
Stock option expenses			40	16
Issue of restricted shares to consultant			51	39
Reversal of provision for obsolete inventory			(4)	(5)
Bad debt recovery, net			0	(15)	$ 65
Accrued interest expense, net accrued interest income			148	132
(Gain) / Loss on sale of property, plant and equipment - continued operations			(20)	8
Write off of property, plant and equipment - continued operations			0	30
Warranty recovery, net			1	(6)
Deferred tax provision			33	88
Changes in operating assets and liabilities, net of acquisition effect
Trade accounts receivable			392	491
Other receivables			9	286
Other assets			(327)	(199)
Inventories			(506)	(729)
Prepaid expenses and other current assets			7	(44)
Accounts payable and accrued liabilities			250	491
Income tax payable			884	(17)
Net Cash Provided by Operating Activities			3,122	3,013
Cash Flow from Investing Activities
Proceeds from maturing of unrestricted and restricted term deposits and short-term deposits, net			484	488
Investments in restricted and unrestricted deposits			(281)	(421)
Additions to property, plant and equipment	(543)	(703)	(2,050)	(1,467)
Proceeds from disposal of plant, property and equipment			42	83
Net Cash used in Investing Activities			(1,805)	(1,317)
Cash Flow from Financing Activities
Repayments on lines of credit			(7,397)	(6,171)
Proceeds from bank loans and capital leases			6,570	5,850
Proceeds from exercising of stock option			51	0
Dividends paid to non-controlling interest			(125)	(177)
Repayment of long-term bank loans and capital leases			(554)	(547)
Net Cash Used in Financing Activities			(1,455)	(1,045)
Effect of Changes in Exchange Rate			742	(449)
NET INCREASE IN CASH AND CASH EQUIVALENTS			604	202
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD			4,772	3,807	3,807
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 5,376	$ 4,009	5,376	4,009	$ 4,772
Supplementary Information of Cash Flows
Cash paid during the period for Interest			138	132
Cash paid during the period for Income taxes			225	122
Non-Cash Transactions
Capital lease of property, plant and equipment			$ 228	$ 49