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CASH AND EQUIVALENTS AND MARKETABLE SECURITIES (Tables)
 9 Months Ended
Sep. 28, 2019
Cash and Equivalents and Marketable Securities Disclosure [Abstract]  
Cash Cash Equivalents and Marketable Securities Table
Investments in available-for-sale marketable debt securities were as follows at September 28, 2019 and December 29, 2018:
 
Amortized Cost

Unrealized Losses

Fair Value
 
2019

2018

2019

2018

2019

2018
U.S. government and agency backed securities
$
9,305,150


$
13,064,418


$
(5,730
)

$
(253,495
)

$
9,299,420


$
12,810,923

Corporate debt
7,960,963

 
10,175,084

 
(1,879
)
 
(67,991
)
 
7,959,084

 
10,107,093

Total
$
17,266,113

 
$
23,239,502

 
$
(7,609
)
 
$
(321,486
)
 
$
17,258,504

 
$
22,918,016
Marketable Debt Securities
The contractual maturity of the Company’s marketable debt securities was as follows at September 28, 2019:
 
Less than
One year
 
One to
Five years
 
Total
U.S. government and agency backed securities
$
298,320

 
$
9,001,100

 
$
9,299,420

Corporate debt
2,501,675

 
5,457,409

 
7,959,084

Total
$
2,799,995

 
$
14,458,509

 
$
17,258,504