XML 50 R12.htm IDEA: XBRL DOCUMENT v3.20.1
Investments - Available-for-Sale
 3 Months Ended
Mar. 31, 2020
Investments, Debt and Equity Securities [Abstract]  
Investments - Available-for-Sale
Investments - Available-for-Sale
Investments available-for-sale consisted of the following as of March 31, 2020 and December 31, 2019:
 
March 31, 2020
 
Amortized Cost
 
Unrealized Gain
 
Unrealized Loss
 
Accrued Interest Income
 
Fair Value
Available-for-Sale Securities
 
 
 
 
 
 
 
 
 
Bonds
$
11,385,053

 
$
22,356

 
$
(10,789
)
 
$
59,665

 
$
11,456,285

 
December 31, 2019
 
Amortized Cost
 
Unrealized Gain
 
Unrealized Loss
 
Accrued Interest
 
Fair Value
Available-for-Sale Securities
 
 
 
 
 
 
 
 
 
Bonds
$
14,238,161

 
$
13,321

 
$
(1,306
)
 
$
—

 
$
14,250,176


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, Fair Value Measurement to our condensed consolidated financial statements.
As of March 31, 2020 and December 31, 2019, the amortized cost and estimated fair value of our available-for-sale securities were due within one year.