Nature of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Apr. 30, 2022

Summarized financial information for equity method investments consist of the following:


	Year Ended
	April 30, 2022		May 1, 2021		May 2, 2020
Balance sheet data:
Current assets	$	6,672	$	7,534	$	10,593
Non-current assets	4,491		4,637		4,266
Current liabilities	13,938		2,807		2,755
Non-current liabilities	1,738		1,793		4,086
Income statement data:
Net loss	$	(11,928)	$	(13,436)	$	(1,383)

Schedule of Cash and Cash Equivalents

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the consolidated balance sheets that sum to the totals of the same amounts shown in the consolidated statements of cash flows. Restricted cash consists of cash and cash equivalents held in bank deposit accounts to secure issuances of foreign bank guarantees.


	April 30, 2022		May 1, 2021		May 2, 2020
Cash and cash equivalents	$	17,143	$	77,590	$	40,398
Restricted cash	865		2,812		14
Total cash, cash equivalents, and restricted cash shown in the consolidated statements of cash flows	$	18,008	$	80,402	$	40,412

Property, Plant and Equipment, Estimated Useful Life

Property and equipment: In accordance with ASC 360, Property, Plant, and Equipment, property and equipment are stated at cost and depreciated principally on the straight-line method over the following estimated useful lives:


			Years
Buildings and improvements			5 - 40
Machinery and equipment			5 - 7
Office furniture and equipment			3 - 5
Computer software and hardware			3 - 5
Equipment held for rental			2 - 7
Demonstration equipment			3 - 5
Transportation equipment			5 - 7

Schedule of Earnings Per Share, Basic and Diluted

The following is a reconciliation of the net income and common share amounts used in the calculation of basic and diluted EPS for the fiscal years ended April 30, 2022, May 1, 2021 and May 2, 2020:


	Net income		Shares	Per share income
For the year ended April 30, 2022:
Basic earnings per share	$	592	45,188	$	0.01
Dilution associated with stock compensation plans	—		138	—
Diluted earnings per share	$	592	45,326	$	0.01
For the year ended May 1, 2021:
Basic earnings per share	$	10,926	44,989	$	0.24
Dilution associated with stock compensation plans	—		213	—
Diluted earnings per share	$	10,926	45,202	$	0.24
For the year ended May 2, 2020:
Basic earnings per share	$	491	45,031	$	0.01
Dilution associated with stock compensation plans	—		285	—
Diluted earnings per share	$	491	45,316	$	0.01

Accounts Receivable, Allowance for Credit Loss

A reconciliation of the beginning and ending allowance for doubtful accounts is as follows:


	Year Ended
	April 30, 2022		May 1, 2021
Balance as of Balance at beginning of year	$	3,942	$	2,828
Charged to costs and expenses	2,083		3,318
Deductions (1)	(3,271)		(2,204)
Balance as of Balance at end of year	$	2,754	$	3,942
(1) Includes account collections and write offs