Note 7 - Debt - Long-term Debt (Details) - USD ($) $ in Thousands	Aug. 26, 2018	May 27, 2018
Long-term debt	$ 41,250	$ 42,500
Less: unamortized debt issuance costs	(185)	(200)
Total long-term debt, net of unamortized debt issuance costs	41,065	42,300
Less: current portion of long-term debt, net	(4,940)	(4,940)
Long-term debt, net	36,125	37,360
Term Loan [Member]
Long-term debt	$ 41,250	$ 42,500