Note 13 - Accounting Pronouncements (Details Textual) - USD ($) $ in Thousands	Sep. 01, 2019	Mar. 04, 2019	Mar. 03, 2019	[1]
Assets, Total	$ 183,529		$ 188,851
Liabilities, Total	$ 22,726		$ 29,840
Accounting Standards Update 2016-02 [Member]
Assets, Total		$ 551
Liabilities, Total		$ 551

[1] The balance sheet at March 3, 2019 has been derived from the audited consolidated finacial statements at that date.