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Marketable Securities and Investments
 12 Months Ended
May 31, 2016
Investments, Debt and Equity Securities [Abstract]  
MARKETABLE SECURITIES AND INVESTMENTS
MARKETABLE SECURITIES AND INVESTMENTS
As of May 31, 2016, marketable securities consisted of the following:
 
 
Amortized
cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Fair
Value
 
(in thousands)
Available-for-sales securities
 
 
 
 
 
 
 
New York State government agency obligations
$
1,800

 
$
—

 
$
(147
)
 
$
1,653

 
$
1,800

 
$
—

 
$
(147
)
 
$
1,653

As of May 31, 2015, marketable securities consisted of the following:
 
 
Amortized
cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Fair
Value
 
(in thousands)
Available-for-sales securities
 
 
 
 
 
 
 
New York State government agency obligations
$
1,825

 
$
—

 
$
(136
)
 
$
1,689

 
$
1,825

 
$
—

 
$
(136
)
 
$
1,689


The amortized cost and fair value of marketable securities as of May 31, 2016, by contractual maturity, are shown below. Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
 
 
Amortized
cost
 
Fair
Value
 
(in thousands)
As of May 31, 2016:
 
 
 
Due in one year or less
$
—

 
$
—

Due after one through five years
—

 
—

Due after five through twenty years
1,800

 
1,653

 
$
1,800

 
$
1,653