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Fair Value of Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2014
Fair Value Disclosures [Abstract]  
Schedule of fair value of financial instruments by level in hierarchy
The following table summarizes the fair value of these marketable securities by level within the fair value hierarchy:
 
 
December 31, 2014
 
December 31, 2013
 
 
Level 1
 
Level 2
 
Total
 
Level 1
 
Level 2
 
Total
 
 
 
 
 
 
 
 
 
 
 
 
 
U.S. Treasury notes and bonds
 
$
1,338,010

 
$

 
$
1,338,010

 
$
2,829,809

 
$

 
$
2,829,809

U.S. Agency issued mortgage-backed securities - variable rate
 

 
4,003,375

 
4,003,375

 

 
3,049,754

 
3,049,754

U.S. Agency notes and bonds - fixed rate
 

 
3,251,336

 
3,251,336

 

 
1,496,700

 
1,496,700

SBA loan pools - variable rate
 

 
1,413,697

 
1,413,697

 

 
1,748,498

 
1,748,498

Municipal bonds - VRDN
 
4,835,000

 

 
4,835,000

 
4,895,000

 

 
4,895,000

Total fair value of marketable securities
 
$
6,173,010

 
$
8,668,408

 
$
14,841,418

 
$
7,724,809

 
$
6,294,952

 
$
14,019,761