Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Income (loss) from continuing operations	$ 14,016	$ (4,986)
Loss from discontinued operations	(132)	(124)
Net income (loss)	13,884	(5,110)
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	2,054	2,646
Provision for allowance for doubtful accounts	(156)	596
Inventory lower of cost or net realizable value	(134)	773
Stock-based compensation expense	1,225	865
Loss on asset dispositions	0	184
Loss on disposal group, goodwill and other intangible impairment charge	0	29,013
Deferred income taxes, net of valuation allowances	(908)	(7,523)
Other	1,125	(961)
Changes in operating assets and liabilities:
Trade receivables	(9,638)	(7,995)
Inventories	(43,259)	1,506
Prepaids and other assets	3,706	(611)
Income taxes receivable	(9,512)	4,823
Trade payables	15,200	19,742
Accrued liabilities and other liabilities, including warranty obligations	(1,743)	2,264
Net cash (used in) provided by operating activities	(28,156)	40,212
Cash flows from investing activities:
Proceeds from sales and maturities of available-for-sale securities	17,185	0
Purchases of property, plant and equipment	(1,850)	(2,965)
Net cash provided by (used in) investing activities	15,335	(2,965)
Cash flows from financing activities:
Proceeds from long-term debt	1,185	575
Payments on long-term debt	(1,337)	(13,167)
Proceeds from employee stock purchases	269	0
Proceeds from exercise of stock options	63	83
Tax payments related to stock award issuances	(1,322)	0
Net cash used in financing activities	(1,142)	(12,509)
Effect of exchange rate changes on cash and cash equivalents	740	644
(Decrease) increase in cash, cash equivalents and restricted cash	(13,223)	25,382
Less: Net change in cash balances classified as assets held-for-sale	0	(3,986)
Net change in cash, cash equivalents and restricted cash	(13,223)	21,396
Cash, cash equivalents and restricted cash:
Cash, cash equivalents and restricted cash at beginning of period	39,780	26,456
Cash, cash equivalents and restricted cash at end of period	26,557	47,852
Supplemental disclosure of cash flow information:
Cash paid for interest	60	212
Cash paid for income taxes, net	18,562	447
Supplemental disclosure of non-cash investing activities:
Capital expenditures incurred but not yet paid	786	652
The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Condensed Consolidated Balance Sheets to the total of the same amounts shown above:
Cash and cash equivalents	25,218	45,656
Restricted cash	1,339	2,196
Total cash, cash equivalents and restricted cash	$ 26,557	$ 47,852