Note 9 - Deferred Financing Costs, Net (Tables)

9 Months Ended

Feb. 28, 2015

Deferred Financing Costs [Abstract]

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

	February 28, 2015			May 31, 2014
Balance at beginning of period	$	33,116			39,449
Amortization		(4,998	)		(6,333	)
Balance at end of period	$	28,118			33,116