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REPORTABLE SEGMENTS (Details) - USD ($) | 12 Months Ended
--- | ---
Jan. 02, 2021 | Dec. 28, 2019
Sales | $ 240,403,114 | $ 251,742,619
Income before income taxes | 6,025,612 | 16,205,971
Operating profit | 7,000,254 | 17,457,854
Interest expense | (2,744,800) | (1,857,961)
Other income | 1,770,158 | 606,078
Reportable Geographical Components [Member] | United States [Member] |  |
Sales | 225,835,894 | 230,920,619
Assets | 253,689,704 | 263,295,787
Reportable Geographical Components [Member] | Foreign [Member] |  |
Sales | 14,567,220 | 20,822,000
Assets | 21,838,650 | 17,367,189
General Corporate [Member] |  |
Assets | 143,514,006 | 140,410,549
Capital expenditures | 2,986 | 0
Operating Segments [Member] |  |
Assets | 132,014,348 | 140,252,427
Engineered Solutions [Member] | Operating Segment [Member] |  |
Sales | 197,614,590 | 186,795,507
Income before income taxes | 14,589,675 | 16,512,736
Inter-segment sales | 675,389 | 1,286,384
Assets | 95,140,639 | 91,032,813
Depreciation and amortization | 6,795,435 | 4,495,380
Capital expenditures before currency translation adjustment | 2,340,762 | 4,025,649
Diversified Products [Member] | Operating Segment [Member] |  |
Sales | 42,788,524 | 64,947,112
Income before income taxes | (7,589,421) | 945,118
Inter-segment sales | 25,559 | 43,451
Assets | 36,873,709 | 49,219,614
Depreciation and amortization | 1,682,077 | 1,959,501
Capital expenditures before currency translation adjustment | 763,674 | 1,411,509
Reporting Segment Information [Member] |  |
Sales | 240,403,114 | 251,742,619
Income before income taxes | 6,025,612 | 16,205,971
Operating profit | 7,000,254 | 17,457,854
Interest expense | (2,744,800) | (1,857,961)
Other income | 1,770,158 | 606,078
Inter-segment sales | 700,948 | 1,329,835
Net sales | 240,403,114 | 251,742,619
Assets | 275,528,354 | 280,662,976
Depreciation and amortization | 8,477,512 | 6,454,881
Capital expenditures before currency translation adjustment | 3,104,436 | 5,437,158
Currency translation adjustment | (8,439) | 3,330
Capital expenditures | $ 3,098,983 | $ 5,440,488

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