Quarterly report pursuant to Section 13 or 15(d)

Investments

v3.8.0.1
Investments
 9 Months Ended
Sep. 30, 2017
Investments, Debt and Equity Securities [Abstract]  
Investments
Investments
 
As of September 30, 2017, the Company had no investments available for sale. Proceeds from the sale of available-for-sale investments were $1.8 million during the nine-month period ended September 30, 2017.

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 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 sale of investments during the nine-months ended September 30, 2016.
 
The Company’s trading securities portfolio totaled $1.9 million at September 30, 2017, and $1.4 million at December 31, 2016, and generated gains of $66,000 and $43,000 for the three months ended September 30, 2017 and 2016, respectively, and $168,000 and $78,000 for the nine months ended September 30, 2017 and 2016, respectively.
 
As of September 30, 2017, and December 31, 2016, the Company had an unrealized loss of $0 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.