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CASH AND EQUIVALENTS AND MARKETABLE SECURITIES (Tables)
 3 Months Ended
Mar. 30, 2013
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 March 30, 2013 and December 29, 2012:
 
Amortized Cost

Unrealized Gains

Unrealized Losses

Fair Value
 
2013

2012

2013

2012

2013

2012

2013

2012
U.S. government and agency backed securities
$
74,528,373


$
38,074,136


$
500,297


$
508,820


$
—


$
—


$
75,028,670


$
38,582,956

Corporate debt and certificates of deposit
23,764,197


27,031,866


—


—


(180,150
)

(264,860
)

23,584,047


26,767,006

Total
$
98,292,570

 
$
65,106,002

 
$
500,297

 
$
508,820

 
$
(180,150
)
 
$
(264,860
)
 
$
98,612,717

 
$
65,349,962
Marketable Debt Securities
The contractual maturity of the Company’s marketable debt securities is as follows at March 30, 2013:
 
Less than
One year
 
One to
Five years
 
Greater than
Five years
 
Total
U.S. government and agency backed securities
$
14,006,940

 
$
48,432,076

 
$
12,589,654

 
$
75,028,670

Corporate debt and certificates of deposit
17,037,866

 
5,599,931

 
946,250

 
23,584,047

Total
$
31,044,806

 
$
54,032,007

 
$
13,535,904

 
$
98,612,717