Consolidated Statements Of Cash Flow $ in Thousands	6 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Cash Flows from Operating Activities
Net Income	$ 2,439	$ 1,924
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,134	1,139
Stock compensation expense	494	653
Asset impairment and related inventory write-down		(56)
Deferred income taxes	(320)	(449)
(Gain) loss on disposal of assets	(32)	4
Allowance for doubtful accounts	45	(13)
Changes in assets and liabilities:
Receivables	(385)	4,963
Inventories	1,167	(3,532)
Accounts payable	(568)	689
Accrued liabilities and expenses	(1,141)	(735)
Deferred revenue	765	42
Other assets and liabilities	(1,178)	(660)
Net cash provided by operating activities	2,420	3,969
Cash Flows from Investing Activities
Purchases of short-term investments	(1,831)	(2,981)
Sales of short-term investments	1,621	1,802
Capital expenditures	(790)	(501)
Capital expenditures - intangibles	(222)
Net cash used for investing activities	(1,222)	(1,680)
Cash Flows from Financing Activities
Payments on lines of credit and short-term borrowings, net	(103)	(1)
Proceeds from stock plans	204	15
Cash payment for shares surrendered upon vesting of restricted stock units to cover taxes	(55)	(19)
Net cash provided by (used for) financing activities	46	(5)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(100)	165
Net Increase in Cash, Cash Equivalents and Restricted Cash	1,144	2,449
Cash, Cash Equivalents and Restricted Cash, July 1	5,996	3,943
Cash, Cash Equivalents and Restricted Cash, December 31	7,140	6,392
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest	53	100
Cash paid during the period for income taxes	506	422
Cash and cash equivalents	6,899
Restricted Cash included in Short-term Investments	241
Cash, Cash Equivalents and Restricted Cash, December 31	$ 7,140	$ 6,392