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CASH AND EQUIVALENTS AND MARKETABLE SECURITIES (Tables)
 9 Months Ended
Sep. 27, 2014
Cash and Equivalents and Marketable Securities Disclosure [Abstract]  
Cash Cash Equivalents and Marketable Securities Table
Investments in available-for-sale marketable debt securities are as follows at September 27, 2014 and December 28, 2013:
 
Amortized Cost

Unrealized Gains

Unrealized Losses

Fair Value
 
2014

2013

2014

2013

2014

2013

2014

2013
U.S. government and agency backed securities
$
59,328,107


$
68,970,505


$
—


$
—


$
(275,304
)

$
(686,113
)

$
59,052,803


$
68,284,392

Corporate debt and certificates of deposit
17,925,335


27,767,513


—


—


(22,228
)

(79,370
)

17,903,107


27,688,143

Total
$
77,253,442

 
$
96,738,018

 
$
—

 
$
—

 
$
(297,532
)
 
$
(765,483
)
 
$
76,955,910

 
$
95,972,535
Marketable Debt Securities
The contractual maturity of the Company’s marketable debt securities is as follows at September 27, 2014:
 
Less than
One year
 
One to
Five years
 
Greater than
Five years
 
Total
U.S. government and agency backed securities
$
11,983,923

 
$
38,898,806

 
$
8,170,074

 
$
59,052,803

Corporate debt and certificates of deposit
14,325,572

 
2,598,785

 
978,750

 
17,903,107

Total
$
26,309,495

 
$
41,497,591

 
$
9,148,824

 
$
76,955,910