Note 7 - Debt - Long-term Debt (Details) - USD ($) $ in Thousands	Aug. 27, 2017	May 28, 2017
Long-term debt	$ 46,250	$ 47,500
Less: unamortized debt issuance costs	(246)	(261)
Total long-term debt, net of unamortized debt issuance costs	46,004	47,239
Less: current portion of long-term debt, net	(4,940)	(4,940)
Long-term debt, net	41,064	42,299
Term Loan [Member]
Long-term debt	$ 46,250	$ 47,500