Consolidated Statements Of Cash Flow - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash Flows from Operating Activities
Net Loss	$ (3,971)	$ (6,791)
Adjustments to reconcile net (loss) to net cash provided by operating activities:
Depreciation and amortization, includes $517 amortization of ROU assets (imputed)	1,845	2,028
Stock compensation expense	652	702
Goodwill and intangible assets impairment	2,246	7,404
Deferred income taxes (benefit)	100	(425)
Loss on disposal of assets	290	33
Allowance for doubtful accounts	45	137
Changes in assets and liabilities
Receivables	1,564	111
Inventories	257	1,497
Accounts payable	(604)	(47)
Accrued liabilities and expenses	(183)	(1,297)
Deferred revenue	(304)	(718)
Other assets and liabilities	(1,429)	(1,733)
Net cash provided by operating activities	508	901
Cash Flows from Investing Activities
Purchases of short-term investments	(1,483)	(3,364)
Sales of short-term investments	2,617	2,868
Capital expenditures	(474)	(1,078)
Capital expenditures-intangibles	(202)	(415)
Net cash provided by (used for) investing activities	458	(1,989)
Cash Flows from Financing Activities
Payments on lines of credit	(3,300)	(171)
Proceeds from lines of credit	5,546
Proceeds from PPP loan	2,545
Proceeds from stock plans	15	329
Cash payments for shares surrendered upon vesting of restricted stock units to cover taxes	(28)	(57)
Net cash provided by financing activities	4,778	101
Effect of Exchange Rate Changes on Cash and Cash Equivalents	389	(166)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	6,133	(1,153)
Cash, Cash Equivalents and Restricted Cash, July 1	4,843	5,996
Cash, Cash Equivalents and Restricted Cash, June 30	10,976	4,843
Supplemental Disclosure of Cash Flow Information
Cash paid during the year for interest	46	94
Cash paid during the year for income taxes	246	665
Cash and cash equivalents	10,621	4,585
Restricted Cash included in Short-term Investments	355	258
Cash, Cash Equivalents and Restricted Cash, June 30	$ 10,976	$ 4,843