Investments (Details) - USD ($)	May 31, 2014	May 31, 2013
Available-for-sale Securities
Amortized Cost	$ 6,982,646	$ 5,829,960
Gross Unrealized Gains	191,485	171,431
Gross Unrealized Losses	52,565	74,636
Fair Value	7,121,566	5,926,755
State and Municipal Securities
Available-for-sale Securities
Amortized Cost	2,793,365	1,760,341
Gross Unrealized Gains	45,878	5,293
Gross Unrealized Losses	25,204	36,627
Fair Value	2,814,039	1,729,007
Equity Securities
Available-for-sale Securities
Amortized Cost	817,452	474,311
Gross Unrealized Gains	53,636	52,190
Gross Unrealized Losses	22,414	21,979
Fair Value	848,674	504,522
Derivatives
Available-for-sale Securities
Amortized Cost	(27,084)	(18,603)
Gross Unrealized Gains	(5,219)	(31,442)
Gross Unrealized Losses	(89)	(162)
Fair Value	(32,214)	(49,883)
Mortgage Backed Securities
Available-for-sale Securities
Amortized Cost	3,398,913	3,413,161
Gross Unrealized Gains	97,190	145,390
Gross Unrealized Losses	5,036	9,279
Fair Value	$ 3,491,067	3,549,272
Foreign Obligations
Available-for-sale Securities
Amortized Cost		200,750
Gross Unrealized Gains
Gross Unrealized Losses		6,913
Fair Value		$ 193,837

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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