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CONTRACT ASSETS AND LIABILITIES (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018	Dec. 29, 2018
Satisfaction of Performance Obligations [Line Items]
Contract assets—current	$ 1,045,939		$ 1,045,939		$ 3,089,663
Contract liabilities—current	(1,430,828)		(1,430,828)		(388,933)
Contract liabilities—noncurrent	(10,007)		(10,007)		(17,294)
Net contract (liabilities) assets	(394,896)		(394,896)		$ 2,683,436
Dollar Change
Contract assets—current	(2,043,724)		(2,043,724)
Contract liabilities—current	(1,041,895)		(1,041,895)
Contract liabilities—noncurrent	7,287		7,287
Net contract (liabilities) assets	$ (3,078,332)		$ (3,078,332)
Percent Change
Contract assets—current	(66.00%)		(66.00%)
Contract liabilities—current	268.00%		268.00%
Contract liabilities—noncurrent	(42.00%)		(42.00%)
Net contract (liabilities) assets	(115.00%)		(115.00%)
Revenue recognized	$ 100,000	$ 100,000	$ 300,000	$ 200,000
Remaining performance obligation	$ 9,300,000		$ 9,300,000
Performance obligation expected time of satisfaction	12 years		12 years
Point in time
Percent Change
Percent of product and services transfered to customer	55.00%	63.00%	72.00%	63.00%
Over time
Percent Change
Percent of product and services transfered to customer	45.00%	37.00%	28.00%	37.00%

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