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Securities Owned/Sold but Not Yet Purchased
12 Months Ended
Dec. 31, 2018
Fair Value Disclosures [Abstract]  
Securities Owned/Sold but Not Yet Purchased
6. Securities Owned/Sold but Not Yet Purchased
 
These securities consist of securities classified as trading and available-for-sale, as follows:
 
 
 
December 31,
 
 
 
2018
 
 
2017
 
Securities Owned
 
 
 
 
 
 
 
 
Trading securities
 
$
8,873
 
 
$
1,691
 
Available-for-sale debt securities
 
 
 
 
 
64,603
 
Total
 
$
8,873
 
 
$
66,294
 
Securities Sold, but not yet Purchased
 
 
 
 
 
 
 
 
Trading securities
 
$
1,698
 
 
$
950
 
Available-for-sale debt securities
 
 
 
 
 
 
Total
 
$
1,698
 
 
$
950
 
 
Available-for-Sale Debt Securities
The following table summarizes unrealized gains, losses and fair value of the available-for-sale debt securities:
 
 
 
December 31,
 
 
 
2018
 
 
2017
 
Cost
 
$
 
 
$
65,237
 
Gross unrealized gains in other comprehensive income
 
 
 
 
 
 
Gross unrealized losses in other comprehensive income
 
 
 
 
 
(634
)
Fair value
 
$
 
 
$
64,603
 
 
 
All of the Company’s available-for-sale debt securities at December 31, 2017 were due within one year. The Company assesses the available-for-sale debt securities for other-than-temporary impairment on a quarterly basis. No available-for-sale debt securities were determined to be other-than-temporarily impaired for the year ended December 31, 2017. There were no available-for-sale debt securities at December 31, 2018.
 
During the years ended December 31, 2018 and 2017, the Company received $64,498 and $91,095, respectively, of proceeds from the sale and maturity of available-for-sale securities and recognized gross realized losses of $739 and $1,132, respectively.
 
Realized losses have been reclassified out of accumulated other comprehensive income and into the Consolidated Statements of Operations.