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

12 Months Ended

Apr. 28, 2018

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 statement of financial position that sum to total of the same amounts showing in the statement of cash flows.

	April 28, 2018				April 29, 2017
Cash and cash equivalents	$	29,727			$	32,623
Restricted cash	28				216
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	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 statement of financial position that sum to total of the same amounts showing in the statement of cash flows.

	April 28, 2018				April 29, 2017
Cash and cash equivalents	$	29,727			$	32,623
Restricted cash	28				216
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	29,755			$	32,839

Schedule of Property and Equipment

Property and equipment is 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 28, 2018				April 29, 2017
Land	$	2,161			$	2,099
Buildings	67,773				65,935
Machinery and equipment	93,439				84,189
Office furniture and equipment	5,878				5,604
Computer software and hardware	53,004				51,523
Equipment held for rental	287				374
Demonstration equipment	7,035				7,109
Transportation equipment	7,632				7,108
	237,209				223,941
Less accumulated depreciation	169,150				157,192
	$	68,059			$	66,749

Schedule of Earnings Per Share Reconciliation

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 2018, 2017 and 2016:

	Net income				Shares			Per share income
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
For the year ended April 30, 2016:
Basic earnings per share	$	2,061			43,990			$	0.05
Dilution associated with stock compensation plans	—				466			—
Diluted earnings per share	$	2,061			44,456			$	0.05

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Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

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-Name Accounting Standards Codification
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