| Fair value of the available-for-sale marketable securities, by type of security |
|
|
|
MARCH 31, 2015
|
|
|
(in thousands)
|
|
AMORTIZED
COST
|
|
GROSS
UNREALIZED
GAINS
|
|
ESTIMATED
FAIR VALUE
|
|
|
Type of security:
|
|
|
|
|
|
|
|
|
U.S. Treasury securities
|
|
$
|
276
|
|
$
|
-
|
|
$
|
276
|
|
|
Municipal debt securities
|
|
9,940
|
|
199
|
|
10,139
|
|
|
Total debt securities
|
|
10,216
|
|
199
|
|
10,415
|
|
|
Time deposits
|
|
7,518
|
|
-
|
|
7,518
|
|
|
Total marketable securities, available-for-sale
|
|
$
|
17,734
|
|
$
|
199
|
|
$
|
17,933
|
|
|
|
|
|
|
|
|
|
|
|
|
|
DECEMBER 31, 2014
|
|
|
Type of security:
|
|
|
|
|
|
|
|
|
U.S. Treasury securities
|
|
$
|
350
|
|
$
|
-
|
|
$
|
350
|
|
|
Municipal debt securities
|
|
9,766
|
|
218
|
|
9,984
|
|
|
Total debt securities
|
|
10,116
|
|
218
|
|
10,334
|
|
|
Time deposits
|
|
7,511
|
|
-
|
|
7,511
|
|
|
Total marketable securities, available-for-sale
|
|
$
|
17,627
|
|
$
|
218
|
|
$
|
17,845
|
|
|
| Fair value of the available-for-sale marketable securities, by contractual maturity |
|
(in thousands)
|
|
MARCH 31, 2015
|
|
DECEMBER 31, 2014
|
|
|
|
|
|
|
|
|
|
Contractual maturity:
|
|
|
|
|
|
|
Maturing in one year or less
|
|
$
|
7,794
|
|
$
|
7,861
|
|
|
Maturing after three years
|
|
10,139
|
|
9,984
|
|
|
Total marketable securities, available-for-sale
|
|
$
|
17,933
|
|
$
|
17,845
|
|
|