Revenue Recognition (Tables)

6 Months Ended

Nov. 30, 2019

Revenue From Contract With Customer [Abstract]

Schedule of Contract Liabilities and Revenue Recognized

Contract Liabilities: Contract liabilities and revenue recognized were as follows (in thousands):

	June 1, 2019		Additions		Revenue Recognized			November 30, 2019
Contract liabilities (deferred revenue)	$	2,260	$	1,169	$	(1,805	)	$	1,624