XML 55 R38.htm IDEA: XBRL DOCUMENT v3.5.0.2
Marketable Securities (Tables)
 12 Months Ended
Sep. 30, 2016
Investments, Debt and Equity Securities [Abstract]  
Summary of Marketable Securities Including Accrued Interest Receivable
The following is a summary of the amortized cost and the fair value, including accrued interest receivable, as well as unrealized holding gains (losses) on the short-term and long-term marketable securities as of September 30, 2016 and 2015 (in thousands):
 
 
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Fair Value
September 30, 2016:
 
 
 
 
 
 
 
Corporate securities
2,394

 
—

 
—

 
2,394

Other debt securities
39

 
—

 
—

 
39

Municipal securities
3,704

 
1

 
(3
)
 
3,702

 
$
6,137

 
$
1

 
$
(3
)
 
$
6,135

September 30, 2015:
 
 
 
 
 
 
 
U.S. Treasury securities and obligations of U.S. government agencies
$
30,343

 
$
39

 
$
—

 
$
30,382

Corporate securities
54,725

 
13

 
(48
)
 
54,690

Mortgage-backed securities
857

 
27

 
—

 
884

Other debt securities
5,056

 
3

 
—

 
5,059

Municipal securities
30,258

 
18

 
(9
)
 
30,267

Bank certificate of deposits
12,024

 
2

 
—

 
12,026

 
$
133,263

 
$
102

 
$
(57
)
 
$
133,308
Fair Value of Marketable Securities by Contractual Maturity
The fair values of the marketable securities by contractual maturities at September 30, 2016 are presented below (in thousands).
 
Fair Value
Due in one year or less
$
39

Due after one year through five years
3,704

Due after ten years
2,392

 
$
6,135