Consolidated Statements Of Cash Flow - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash Flows from Operating Activities
Net (Loss) Income	$ (407)	$ 626
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization, includes $158 and $116 amortization of ROU assets (imputed) for 2020 and 2019, respectively	508	480
Stock compensation expense	125	214
Non-cash lease expense		2
Deferred income taxes	(102)	171
Loss on disposal of assets		8
Allowance for doubtful accounts	34	(32)
Changes in assets and liabilities:
Receivables	2,769	(3,130)
Inventories	351	524
Accounts payable	(542)	67
Accrued liabilities and expenses	(329)	316
Deferred revenue	1,060	841
Other assets and liabilities	(1,280)	(880)
Net cash (used for) provided by operating activities	2,187	(793)
Cash Flows from Investing Activities
Purchases of short-term investments	(219)	(607)
Sales of short-term investments	233	1,245
Capital expenditures	(94)	(249)
Capital expenditures - intangibles		(125)
Net cash provided by (used for) investing activities	(80)	264
Cash Flows from Financing Activities
Payments on lines of credit and short-term borrowings, net	(6)
Proceeds from stock plans		1
Net cash provided by (used for) financing activities	(6)	1
Effect of Exchange Rate Changes on Cash and Cash Equivalents	218	(89)
Net (Decrease) Increase in Cash, Cash Equivalents and Restricted Cash	2,319	(617)
Cash, Cash Equivalents and Restricted Cash, July 1	10,976	4,843
Cash, Cash Equivalents and Restricted Cash, September 30	13,295	4,226
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest	19	24
Cash paid during the period for income taxes	90	104
Cash and cash equivalents	12,868
Restricted Cash included in Short-term Investments	427
Cash, Cash Equivalents and Restricted Cash, September 30	$ 13,295	$ 4,226