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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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