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Cash and Investments
12 Months Ended
Dec. 31, 2016
Investments Debt And Equity Securities [Abstract]  
Cash and Investments

Note 4. Cash and Investments

The following table presents cash, cash equivalents, and available-for-sale investments as of the following dates (in thousands):

 

 

 

December 31, 2016

 

 

 

Amortized Cost

 

 

Gross

Unrealized

Gains

 

 

Gross

Unrealized

Losses

 

 

Estimated

Fair Market

Value

 

Cash

 

$

43,604

 

 

$

 

 

$

 

 

$

43,604

 

Cash equivalents:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds

 

 

959

 

 

 

 

 

 

 

 

 

959

 

Commercial paper and corporate debt securities

 

 

2,499

 

 

 

 

 

 

 

 

 

2,499

 

Marketable securities:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U.S. Treasury securities

 

 

5,667

 

 

 

 

 

 

 

 

 

5,667

 

U.S. Government agency securities

 

 

11,412

 

 

 

 

 

 

(7

)

 

 

11,405

 

Certificates of deposits

 

 

23,000

 

 

 

19

 

 

 

 

 

 

23,019

 

Commercial paper

 

 

22,402

 

 

 

 

 

 

 

 

 

22,402

 

Corporate debt securities

 

 

14,194

 

 

 

 

 

 

(6

)

 

 

14,188

 

Municipal securities

 

 

756

 

 

 

 

 

 

(1

)

 

 

755

 

Asset-backed securities

 

 

5,466

 

 

 

 

 

 

(3

)

 

 

5,463

 

Total cash, cash equivalents, and marketable

   securities

 

$

129,959

 

 

$

19

 

 

$

(17

)

 

$

129,961

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

December 26, 2015

 

 

 

Amortized Cost

 

 

Gross

Unrealized

Gains

 

 

Gross

Unrealized

Losses

 

 

Estimated

Fair Market

Value

 

Cash

 

$

32,996

 

 

$

 

 

$

 

 

$

32,996

 

Cash equivalents:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds

 

 

590

 

 

 

 

 

 

 

 

 

590

 

Commercial paper and corporate debt securities

 

 

4,568

 

 

 

 

 

 

 

 

 

4,568

 

Marketable securities:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U.S. Treasury securities

 

 

4,411

 

 

 

 

 

 

(10

)

 

 

4,401

 

U.S. Government agency securities

 

 

20,193

 

 

 

1

 

 

 

(29

)

 

 

20,165

 

Commercial paper

 

 

1,884

 

 

 

 

 

 

 

 

 

1,884

 

Corporate debt securities

 

 

14,759

 

 

 

 

 

 

(23

)

 

 

14,736

 

Municipal securities

 

 

3,747

 

 

 

1

 

 

 

(3

)

 

 

3,745

 

Total cash, cash equivalents, and marketable

   securities

 

$

83,148

 

 

$

2

 

 

$

(65

)

 

$

83,085

 

 

Available-for-sale marketable securities, readily convertible to cash, with maturity dates of 90 days or less are classified as cash equivalents, while those with maturity dates greater than 90 days are classified as marketable securities within short-term assets. All marketable securities as of December 31, 2016 and December 26, 2015, were available-for-sale and reported at fair value based on the estimated or quoted market prices as of the balance sheet date. Gross realized gain and losses on sale of securities are recorded in other income, net, in our statement of operations. Net realized gains and losses for fiscal 2016, 2015, and 2014 was $0.5 million, $0.2 million and $0.2 million, respectively.

Unrealized gains or losses, net of tax effect, are recorded in accumulated other comprehensive income (loss) within stockholders' equity. Both the gross unrealized gains and gross unrealized losses for the fiscal years ended December 31, 2016, and December 26, 2015 were insignificant and no marketable securities had other than temporary impairment. All marketable securities as of December 31, 2016 and December 26, 2015, had maturity dates of less than two years.