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CASH AND EQUIVALENTS AND MARKETABLE SECURITIES (Details) - USD ($)	Mar. 30, 2019	Dec. 29, 2018
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 20,439,223	$ 23,239,502
Unrealized Losses	(150,306)	(321,486)
Fair Value	20,288,917	22,918,016
Debt Securities, Available-for-sale, Fair Value, Fiscal Year Maturity [Abstract]
Less than One year	4,666,546
One to Five years	15,622,371
Total	20,288,917
U.S. government and agency backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	11,307,655	13,064,418
Unrealized Losses	(136,955)	(253,495)
Fair Value	11,170,700	12,810,923
Debt Securities, Available-for-sale, Fair Value, Fiscal Year Maturity [Abstract]
Less than One year	1,994,750
One to Five years	9,175,950
Total	11,170,700
Corporate debt
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	9,131,568	10,175,084
Unrealized Losses	(13,351)	(67,991)
Fair Value	9,118,217	$ 10,107,093
Debt Securities, Available-for-sale, Fair Value, Fiscal Year Maturity [Abstract]
Less than One year	2,671,796
One to Five years	6,446,421
Total	$ 9,118,217

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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