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

12 Months Ended

Apr. 27, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

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 statement of cash flows:

	April 27, 2019				April 28, 2018				April 29, 2017
Cash and cash equivalents	$	35,383			$	29,727			$	32,623
Restricted cash	359				28				216
Total cash, cash equivalents and restricted cash shown in the consolidated statement of cash flows	$	35,742			$	29,755			$	32,839

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 statement of cash flows:

	April 27, 2019				April 28, 2018				April 29, 2017
Cash and cash equivalents	$	35,383			$	29,727			$	32,623
Restricted cash	359				28				216
Total cash, cash equivalents and restricted cash shown in the consolidated statement of cash flows	$	35,742			$	29,755			$	32,839

Schedule of 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

Property and equipment, net consisted of the following:

	April 27, 2019				April 28, 2018
Land	$	1,738			$	2,161
Buildings	66,403				67,773
Machinery and equipment	96,486				93,439
Office furniture and equipment	6,195				5,878
Computer software and hardware	55,460				53,004
Equipment held for rental	287				287
Demonstration equipment	7,422				7,035
Transportation equipment	7,715				7,632
	241,706				237,209
Less accumulated depreciation	176,392				169,150
	$	65,314			$	68,059

Schedule of Earnings Per Share Reconciliation

The following is a reconciliation of the net (loss) income and common share amounts used in the calculation of basic and diluted EPS for the fiscal years ended April 27, 2019, April 28, 2018 and April 29, 2017:

	Net (loss) income				Shares			Per share (loss) income
For the year ended April 27, 2019:
Basic loss per share	$	(958	)		44,926			$	(0.02	)
Dilution associated with stock compensation plans	—				—			—
Diluted loss per share	$	(958	)		44,926			$	(0.02	)
For the year ended April 28, 2018:
Basic earnings per share	$	5,562			44,457			$	0.13
Dilution associated with stock compensation plans	—				416			(0.01		)
Diluted earnings per share	$	5,562			44,873			$	0.12
For the year ended April 29, 2017:
Basic earnings per share	$	10,342			44,114			$	0.23
Dilution associated with stock compensation plans	—				189			—
Diluted earnings per share	$	10,342			44,303			$	0.23

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