Note 9 - Property and Equipment - Components of Property and Equipment (Details) - USD ($) $ in Thousands	Oct. 31, 2017	Apr. 30, 2017
Building and leasehold improvements	$ 1,013	$ 789
Furniture and equipment	4,032	3,865
	5,045	4,654
Accumulated depreciation and amortization	(3,542)	(3,415)
Total property and equipment, net	$ 1,503	$ 1,239

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

+ References

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- Definition

Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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+ References

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