Cash and Cash Equivalents (Tables)

9 Months Ended

Feb. 29, 2016

Cash and Cash Equivalents [Abstract]

Summary of cash and cash equivalents

	February 29,  2016		May 31,  2015
Cash in banks	$	3,074,837	$	2,851,802
Money market funds		537,793		817,988
	$	3,612,630	$	3,669,790