CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows provided by (used in) operating activities:
Net loss	$ (1,010)	$ (2,928)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	329	458
Share-based compensation	221	242
Provision for (recovery of) excess and obsolete inventories	(23)	110
Other, net	(22)	0
Foreign currency exchange gains (losses)	110	(104)
Decrease (increase) in assets:
Accounts receivable	(5)	4,676
Inventories	254	768
Prepaid expenses and other current assets	(385)	(354)
Other long-term assets	(115)	(105)
Increase (decrease) in liabilities:
Accounts payable and accrued expenses	(2,456)	(1,973)
Deferred revenue	(333)	(415)
Pension and other long-term liabilities	(70)	55
Net cash provided by (used in) operating activities	(3,505)	430
Cash flows provided by (used in) investing activities:
Additions to property and equipment	(222)	(347)
Proceeds from sale or maturity of short-term investments	4,783	0
Purchases of short-term investments	(4,175)	0
Net cash provided by (used in) investing activities	386	(347)
Cash flows used in financing activities:
Dividends paid	(1,148)	(1,142)
Net cash used in financing activities	(1,148)	(1,142)
Effect of exchange rates on cash and cash equivalents	(2)	60
Decrease in cash and cash equivalents	(4,269)	(999)
Cash and cash equivalents - beginning of year	35,893	20,268
Cash and cash equivalents - end of year	31,624	19,269
Cash paid during the period for:
Interest	0	1
Income taxes (net of refunds)	$ 615	$ 500