CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (IN THOUSANDS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Jun. 30, 2017
Cash Flow from Operating Activities
Net income	$ 673	$ 362	$ 1,275	$ 709
Adjustments to reconcile net income to net cash flow provided by operating activities
Depreciation and amortization			1,019	916
Stock option expenses			2	1
Reversal of provision for obsolete inventory			(3)	(4)
Bad debt recovery, net			0	(16)	$ 65
Accrued interest expense, net accrued interest income			95	95
Write off of property, plant and equipment - continued operations			11	8
Issuance of shares to service provider			51	0
Warranty recovery, net			3	(9)
Deferred tax provision			(25)	51
Changes in operating assets and liabilities, net of acquisition effect
Trade accounts receivable			(484)	1,265
Other receivables			(147)	280
Other assets			(37)	(226)
Inventories			(1,153)	(275)
Prepaid expenses and other current assets			(54)	(99)
Accounts payable and accrued liabilities			934	1,001
Income tax payable			59	(26)
Net Cash Provided by Operating Activities			1,546	3,671
Cash Flow from Investing Activities
Proceeds from maturing of unrestricted and restricted term deposits and short-term deposits, net			484	0
Investments in restricted and unrestricted deposits			(281)	(421)
Additions to property, plant and equipment	(1,066)	(403)	(1,507)	(764)
Proceeds from disposal of plant, property and equipment			0	83
Net Cash used in Investing Activities			(1,304)	(1,102)
Cash Flow from Financing Activities
Repayments on lines of credit			(4,978)	(4,503)
Proceeds from bank loans and capital leases			5,045	3,516
Proceeds from exercising of stock option			41	0
Dividends paid to non-controlling interest			(123)	(117)
Repayment of long-term bank loans and capital leases			(373)	(371)
Net Cash Used in Financing Activities			(388)	(1,475)
Effect of Changes in Exchange Rate			433	(565)
NET INCREASE IN CASH AND CASH EQUIVALENTS			287	529
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD			4,772	3,807	3,807
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 5,059	$ 4,336	5,059	4,336	$ 4,772
Supplementary Information of Cash Flows
Cash paid during the period for Interest			91	91
Cash paid during the period for Income taxes			119	83
Non-Cash Transactions
Capital lease of property, plant and equipment			$ 228	$ 49