Quarterly report pursuant to Section 13 or 15(d)

Investments

v3.7.0.1
Investments
 3 Months Ended
Mar. 31, 2017
Investments, Debt and Equity Securities [Abstract]  
Investments
Investments
 
The amortized cost and estimated fair values of available-for-sale securities by balance sheet classification are as follows (dollar amounts in thousands):
 
As of March 31, 2017
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Fair
Value
U.S. government securities funds
$
1,799

 
$
—

 
$
(23
)
 
$
1,776

Total short-term investment securities
$
1,799

 
$
—

 
$
(23
)
 
$
1,776

 
As of December 31, 2016
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Fair
Value
U.S. government securities funds
$
1,799

 
$
—

 
$
(23
)
 
$
1,776

Total short-term investment securities
$
1,799

 
$
—

 
$
(23
)
 
$
1,776


 

There were no proceeds from the sales of available-for-sale securities during the three-month periods ended March 31, 2017 and 2016.
 
The Company’s trading securities portfolio totaled $1.7 million at March 31, 2017, and $1.4 million at December 31, 2016, and generated gains of $51,000 and $7,000 for the three months ended March 31, 2017 and 2016, respectively.
 
As of March 31, 2017 and December 31, 2016, the Company had unrealized losses of $23,000 and $23,000, respectively, in its U.S. government securities funds. There were no securities that were in a loss position for more than 12 months.