| Schedule of Cash Equivalents and Available-for-Sale Securities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
March 31, 2019
|
|
|
Amortized Cost
|
|
Gross Unrealized Gains
|
|
Gross Unrealized Losses
|
|
Fair Value
|
|
Cash Equivalents
|
|
Short-Term Investments
|
|
Long-Term Investments
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cash equivalents:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Money Market funds
|
$
|
6,974,000
|
|
$
|
-
|
|
$
|
-
|
|
$
|
6,974,000
|
|
$
|
6,974,000
|
|
$
|
-
|
|
$
|
-
|
|
Total
|
$
|
6,974,000
|
|
$
|
-
|
|
$
|
-
|
|
$
|
6,974,000
|
|
$
|
6,974,000
|
|
$
|
-
|
|
$
|
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
December 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
|
$
|
8,428,000
|
|
$
|
-
|
|
$
|
-
|
|
$
|
8,428,000
|
|
$
|
8,428,000
|
|
$
|
-
|
|
$
|
-
|
|
Total
|
$
|
8,428,000
|
|
$
|
-
|
|
$
|
-
|
|
$
|
8,428,000
|
|
$
|
8,428,000
|
|
$
|
-
|
|
$
|
-
|
|