Consolidated Statements of Comprehensive Earnings (Unaudited) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Aug. 27, 2017	Aug. 28, 2016	Aug. 27, 2017	Aug. 28, 2016
Net earnings	$ 520	$ 1,981	$ 1,914	$ 4,931
Other comprehensive earnings (loss), net of tax:
Foreign currency translation	72	26	41	5
Other comprehensive earnings (loss)	88	11	(102)	(74)
Total comprehensive earnings	608	1,992	1,812	4,857
Gains on Marketable Securities [Member]
Other comprehensive earnings (loss), net of tax:
Unrealized holding gains (losses) arising during the period	21	11	24	11
Less: reclassification adjustment for gains (losses) included in net earnings	(27)		(96)	(55)
Losses on Marketable Securities [Member]
Other comprehensive earnings (loss), net of tax:
Unrealized holding gains (losses) arising during the period		(45)	(117)	(69)
Less: reclassification adjustment for gains (losses) included in net earnings	$ 22	$ 19	$ 46	$ 34

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