Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Sep. 30, 2021
Operating Activities:
Net loss	$ (1,564)	$ (662)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	781	742
Intangible asset amortization	91	0
Stock-based compensation	774	618
Loss on disposal of property and equipment	0	3
Restructuring costs	(368)	(15)
Bad debt provision	(3)	(11)
Changes in operating assets and liabilities:
Accounts receivable	1,530	1,999
Inventories	772	259
Prepaid expenses and other assets	(145)	215
Accounts payable	(1,299)	(2,061)
Income taxes payable	41	6
Other accrued liabilities	(2,027)	554
Deferred revenue	87	7
Net cash (used in) provided by operating activities	(1,330)	1,654
Investing Activities:
Capital expenditures	(320)	(354)
Purchase of short-term investments	(8,194)	(5,953)
Redemptions/maturities of short-term investments	8,187	13,407
Net cash (used in) provided by investing activities	(327)	7,100
Financing Activities:
Proceeds from issuance of common stock	0	8
Payment of withholding tax on stock-based compensation	(392)	(659)
Principal payments on finance leases	(19)	(16)
Purchase of common stock from repurchase program	0	(31)	$ (3,200)
Cash dividends	(1,001)	(1,011)
Net cash used in financing activities	(1,412)	(1,709)
Net (decrease) increase in cash and cash equivalents	(3,069)	7,045
Effect of exchange rate changes on cash	(16)	(10)
Cash and cash equivalents, beginning of period	8,192	5,761	$ 5,761
Cash and Cash Equivalents, End of Period	$ 5,107	$ 12,796