Investments

6 Months Ended

Nov. 30, 2011

Investments [Abstract]

Investments

NOTE 2 Investments

The following is a summary of investments:

	Gross Amortized		Gross Unrealized
	Costs		Gains		Fair Value
	(Dollars in thousands)
November 30, 2011
U. S. Treasury Bills	$	30,995	$	6	$	31,001
May 31, 2011
U. S. Treasury Bills	$	34,994	$	11	$	35.005

The fair value is determined by a secondary market for U.S. Government Securities. At November 30 and May 31, 2011 the U.S. Treasury Bills matured within seven and five months, respectively.