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Investments - Available-for-Sale
 9 Months Ended
Sep. 30, 2019
Investments - Available-for-Sale  
Investments - Available-for-Sale

5.  Investments - Available-for-Sale

 

Investments available-for-sale consisted of the following as of September 30, 2019 and December 31, 2018:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

September 30, 2019

 

 

Amortized Cost

 

Unrealized Gain

 

Unrealized Loss

 

Fair Value

Available-for-Sale Securities

 

 

 

 

 

 

 

 

 

 

 

 

Bonds

 

$

14,549,799

 

$

26,401

 

$

(611)

 

$

14,575,589

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

December 31, 2018

 

 

Amortized Cost

 

Unrealized Gain

 

Unrealized Loss

 

Fair Value

Available-for-Sale Securities

 

 

 

 

 

 

 

 

 

 

 

 

Bonds

 

$

10,801,836

 

$

17,415

 

$

(1,192)

 

$

10,818,059

 

The fair value of investments available-for-sale are determined using quoted market prices from daily exchange-traded markets based on the closing price as of the balance sheet date and are classified as Level 1, as described in Note 3 on Form 10-K, Fair Value Measurement to our condensed consolidated financial statements.

As of September 30, 2019 and December 31, 2018, available-for-sale securities were due in one year or less.