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Fair Value of Financial Instruments
12 Months Ended
Dec. 31, 2017
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments
Fair Value of Financial Instruments
The Company owns marketable securities that are solely classified as trading securities as of December 31, 2017. There were no transfers of assets between levels within the fair value hierarchy. The following table summarizes the fair value of these marketable securities by level within the fair value hierarchy:
 
 
December 31, 2017
 
December 31, 2016
 
 
Level 1
 
Level 2
 
Total
 
Level 1
 
Level 2
 
Total
 
 
 
 
 
 
 
 
 
 
 
 
 
U.S. Agency issued mortgage-backed securities - variable rate
 
$

 
$
3,539,102

 
$
3,539,102

 
$

 
$
6,814,957

 
$
6,814,957

U.S. Agency notes and bonds - fixed rate
 

 
198,293

 
198,293

 

 
1,795,330

 
1,795,330

SBA loan pools - variable rate
 

 
935,081

 
935,081

 

 
1,346,824

 
1,346,824

Municipal bonds - VRDN
 

 

 

 
5,665,000

 

 
5,665,000

Total fair value of marketable securities
 
$

 
$
4,672,476

 
$
4,672,476

 
$
5,665,000

 
$
9,957,111

 
$
15,622,111


The fair values of all other financial instruments outstanding as of December 31, 2017 and 2016 approximate their carrying values. There were no changes to the valuation techniques for the Level 2 marketable securities during 2017 or 2016.