Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities
Net income (loss)	$ (5,347)	$ (6,311)	$ 3,827
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	5,513	6,389	7,541
Share-based compensation	10,600	9,332	8,152
Amortization of debt issuance costs	817	1,356	1,348
Accretion of interest on debt	0	4,887	4,168
Provision for credit losses	266	133	1,797
Non-cash revenue transactions related to joint venture	0	(1,365)	0
Provision for write-down of inventories	3,478	6,914	4,184
Loss on disposal of property and equipment	28	106	9
(Income) loss on equity method investment	(241)	(872)	149
Release (deferral) of equity method investment intra-entity profit on sales	3,300	310	1,847
Loss on extinguishment of debt	0	9,948	0
Gain on contribution to joint venture	0	0	(12,964)
Provision (benefit) for deferred income taxes	1,785	(114)	353
Changes in assets and liabilities:
Accounts receivable, short and long-term	(12,519)	5,235	19,030
Inventories	(22,861)	1,688	(23,178)
Prepaid expenses and other assets	(6,042)	(951)	4,403
Deferred cost of revenue, short and long-term	1,549	(296)	(2,441)
Accounts payable	11,676	(3,978)	(6,770)
Operating lease liabilities, net	(880)	(663)	(235)
Accrued liabilities	6,685	8,089	(16,595)
Customer advances	1,238	2,237	2,159
Deferred revenues, short and long-term	(1,445)	(3,562)	1,747
Net cash provided by (used in) operating activities	(2,400)	38,512	(1,469)
Cash flows from investing activities
Purchases of property and equipment, net	(4,717)	(2,320)	(3,558)
Purchase of intangible assets	0	0	(170)
Additional investments in joint venture	0	(79)	0
Net cash (used in) investing activities	(4,717)	(2,399)	(3,728)
Cash flows from financing activities
Proceeds from employee stock plans	2,341	2,175	2,450
Proceeds from exercise of options	1,548	855	0
Taxes paid related to net share settlement of equity awards	(258)	(343)	(207)
Convertible senior notes exchange and issued, net of issuance costs	0	(142)	0
Paydown and repayment of prior term loan and prior revolving credit facility	0	(115,924)	0
Proceeds from New Debt, net of costs	0	103,654	24,716
Repayments under the New Term loan	(4,000)	0	0
Borrowings (repayments) under the New Revolving Credit Facility, net	(15,000)	(5,000)	(263)
Stock repurchase	0	(14,080)	0
Net cash provided by (used in) financing activities	(15,369)	(28,805)	26,696
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(5,561)	982	234
Net increase (decrease) in cash, cash equivalents and restricted cash	(28,047)	8,290	21,733
Cash, cash equivalents and restricted cash at beginning of period	118,201	109,911	88,178
Cash, cash equivalents and restricted cash at end of period	90,154	118,201	109,911
Supplemental Disclosure of Cash Flow Information
Cash paid for income taxes	1,398	1,873	2,806
Cash paid for interest	7,462	11,892	12,332
Supplemental non-cash disclosure:
Non-cash effect of pension settlement accounting	0	0	178
Prior convertible note exchanged	0	(82,135)	0
New convertible note exchanged	0	97,148	0
Unpaid purchase of property and equipment at end of year	813	555	226
Transfers from inventory to property and equipment	0	564	2,594
Equity method investment, in exchange for non-cash contributions of assets to China Joint Venture (including gain of $12,964)	$ 0	$ 0	$ 15,925