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CASH AND EQUIVALENTS AND MARKETABLE SECURITIES (Tables)
 3 Months Ended
Mar. 30, 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 March 30, 2019 and December 29, 2018:
 
Amortized Cost

Unrealized Losses

Fair Value
 
2019

2018

2019

2018

2019

2018
U.S. government and agency backed securities
$
11,307,655


$
13,064,418


$
(136,955
)

$
(253,495
)

$
11,170,700


$
12,810,923

Corporate debt
9,131,568

 
10,175,084

 
(13,351
)
 
(67,991
)
 
9,118,217

 
10,107,093

Total
$
20,439,223

 
$
23,239,502

 
$
(150,306
)
 
$
(321,486
)
 
$
20,288,917

 
$
22,918,016
Marketable Debt Securities
The contractual maturity of the Company’s marketable debt securities was as follows at March 30, 2019:
 
Less than
One year
 
One to
Five years
 
Total
U.S. government and agency backed securities
$
1,994,750

 
$
9,175,950

 
$
11,170,700

Corporate debt
2,671,796

 
6,446,421

 
9,118,217

Total
$
4,666,546

 
$
15,622,371

 
$
20,288,917