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Fair Value of Financial Instruments (Tables)
 12 Months Ended
Dec. 31, 2013
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, 2013
 
December 31, 2012
 
 
Level 1
 
Level 2
 
Total
 
Level 1
 
Level 2
 
Total
 
 
 
 
 
 
 
 
 
 
 
 
 
U.S. Treasury notes and bonds
 
$
2,829,809

 
$
—

 
$
2,829,809

 
$
2,473,596

 
$
—

 
$
2,473,596

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

 
3,049,754

 
3,049,754

 
—

 
3,708,920

 
3,708,920

U.S. Agency notes and bonds - fixed rate
 
—

 
1,496,700

 
1,496,700

 
—

 
1,505,177

 
1,505,177

SBA loan pools - variable rate
 
—

 
1,748,498

 
1,748,498

 
—

 
1,988,443

 
1,988,443

Municipal bonds - VRDN
 
4,895,000

 
—

 
4,895,000

 
7,010,000

 
—

 
7,010,000

Total fair value of marketable securities
 
$
7,724,809

 
$
6,294,952

 
$
14,019,761

 
$
9,483,596

 
$
7,202,540

 
$
16,686,136