Cash and Cash Equivalents (Tables)

6 Months Ended

Nov. 30, 2015

Cash and Cash Equivalents [Abstract]

Summary of cash and cash equivalents

	November 30, 2015		May 31,  2015
Cash in banks	$	4,145,310	$	2,851,802
Money market funds		534,917		817,988
	$	4,680,227	$	3,669,790