Schedule of Cash Equivalents and Available-for-Sale Securities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
March 31, 2018
|
|
Amortized Cost
|
|
Gross Unrealized Gains
|
|
Gross Unrealized Losses
|
|
Fair Value
|
|
Cash Equivalents
|
|
Short-Term Investments
|
|
Long-Term Investments
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cash equivalents:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Money Market funds
|
$
|
5,751,000
|
|
$
|
-
|
|
$
|
-
|
|
$
|
5,751,000
|
|
$
|
5,751,000
|
|
$
|
-
|
|
$
|
-
|
Subtotal
|
|
5,751,000
|
|
|
-
|
|
|
-
|
|
|
5,751,000
|
|
|
5,751,000
|
|
|
-
|
|
|
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Investments:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Commercial Paper
|
|
1,988,000
|
|
|
-
|
|
|
(2,000)
|
|
|
1,986,000
|
|
|
-
|
|
|
1,986,000
|
|
|
-
|
Corporate Notes/Bonds
|
|
4,038,000
|
|
|
-
|
|
|
(5,000)
|
|
|
4,033,000
|
|
|
-
|
|
|
4,033,000
|
|
|
-
|
Subtotal
|
|
6,026,000
|
|
|
-
|
|
|
(7,000)
|
|
|
6,019,000
|
|
|
-
|
|
|
6,019,000
|
|
|
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total
|
$
|
11,777,000
|
|
$
|
-
|
|
$
|
(7,000)
|
|
$
|
11,770,000
|
|
$
|
5,751,000
|
|
$
|
6,019,000
|
|
$
|
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
December 31, 2017
|
|
Amortized Cost
|
|
Gross Unrealized Gains
|
|
Gross Unrealized Losses
|
|
Fair Value
|
|
Cash Equivalents
|
|
Short-Term Investments
|
|
Long-Term Investments
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cash equivalents:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Money Market funds
|
$
|
6,193,000
|
|
$
|
-
|
|
$
|
-
|
|
$
|
6,193,000
|
|
$
|
6,193,000
|
|
$
|
-
|
|
$
|
-
|
Subtotal
|
|
6,193,000
|
|
|
-
|
|
|
-
|
|
|
6,193,000
|
|
|
6,193,000
|
|
|
-
|
|
|
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Investments:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Commercial Paper
|
|
997,000
|
|
|
-
|
|
|
-
|
|
|
997,000
|
|
|
-
|
|
|
997,000
|
|
|
-
|
Corporate Notes/Bonds
|
|
4,545,000
|
|
|
-
|
|
|
(1,000)
|
|
|
4,544,000
|
|
|
-
|
|
|
4,544,000
|
|
|
-
|
Subtotal
|
|
5,542,000
|
|
|
-
|
|
|
(1,000)
|
|
|
5,541,000
|
|
|
-
|
|
|
5,541,000
|
|
|
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total
|
$
|
11,735,000
|
|
$
|
-
|
|
$
|
(1,000)
|
|
$
|
11,734,000
|
|
$
|
6,193,000
|
|
$
|
5,541,000
|
|
$
|
-
|
|