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Nature of Business and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Apr. 27, 2024
Accounting Policies [Abstract]  
Equity Method Investments
Summarized financial information for equity method investments consist of the following:
Year Ended
April 27, 2024April 29, 2023April 30, 2022
Balance sheet data:
Current assets$4,035 $5,504 $6,672 
Non-current assets5,077 3,312 4,491 
Current liabilities33,672 25,298 13,938 
Non-current liabilities2,151 721 1,738 
Income statement data:   
Net loss$(13,609)$(16,932)$(11,928)
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.
April 27, 2024April 29, 2023April 30, 2022
Cash and cash equivalents$81,299 $23,982 $17,143 
Restricted cash379 708 865 
Total cash, cash equivalents, and restricted cash shown in the consolidated statements of cash flows$81,678 $24,690 $18,008 
Restrictions on 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.
April 27, 2024April 29, 2023April 30, 2022
Cash and cash equivalents$81,299 $23,982 $17,143 
Restricted cash379 708 865 
Total cash, cash equivalents, and restricted cash shown in the consolidated statements of cash flows$81,678 $24,690 $18,008 
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 27, 2024, April 29, 2023 and April 30, 2022:
Year Ended
April 27, 2024April 29, 2023April 30, 2022
Earnings per share - basic
Net income$34,621 $6,802 $592 
Weighted average shares outstanding45,901 45,404 45,188 
Basic earnings per share$0.75 $0.15 $0.01 
Earnings per share - diluted
Net income$34,621 $6,802 $592 
Diluted net income$34,621 $6,802 $592 
Weighted average common shares outstanding45,901 45,404 45,188 
Dilution associated with stock compensation plans642 117 138 
Dilution associated with convertible note— — — 
Weighted average common shares outstanding, assuming dilution46,543 45,521 45,326 
Diluted earnings per share$0.74 $0.15 $0.01