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SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED) | 12 Months Ended
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Dec. 30, 2017
SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED) [Abstract] |
SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED) | 13. Selected Quarterly Financial Information (Unaudited) Selected quarterly financial information (unaudited) follows:
|  |  |  |  |  |  |  | 2017 |  |  |  |  |  |  |
|  | First |  |  | Second |  |  | Third |  |  | Fourth |  |  | Year |
Net sales |  | $ | 36,043,295 |  |  | $ | 58,044,743 |  |  | $ | 56,007,937 |  |  | $ | 54,143,638 |  |  | $ | 204,239,613 |
Gross margin |  |  | 8,744,579 |  |  |  | 15,513,994 |  |  |  | 11,949,531 |  |  |  | 13,842,715 |  |  |  | 50,050,819 |
Engineering expenses |  |  | 630,411 |  |  |  | 1,682,887 |  |  |  | 1,848,861 |  |  |  | 1,460,670 |  |  |  | 5,622,829 |
Selling and administrative expenses |  |  | 5,877,968 |  |  |  | 11,344,223 |  |  |  | 6,527,029 |  |  |  | 8,402,069 |  |  |  | 32,151,289 |
Net (loss)/income |  |  | 1,517,141 |  |  |  | 1,466,402 |  |  |  | 2,230,481 |  |  |  | (168,769 | ) |  |  | 5,045,255 |
Net (loss)/income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | .24 |  |  | $ | .23 |  |  | $ | .36 |  |  | $ | (.03 | ) |  | $ | .81 |
Diluted |  | $ | .24 |  |  | $ | .23 |  |  | $ | .35 |  |  | $ | (.03 | ) |  | $ | .80 |
Weighted average shares outstanding: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | 6,256,496 |  |  |  | 6,258,467 |  |  |  | 6,259,872 |  |  |  | 6,261,737 |  |  |  | 6,259,139 |
Diluted |  |  | 6,256,496 |  |  |  | 6,285,339 |  |  |  | 6,296,551 |  |  |  | 6,297,371 |  |  |  | 6,294,773 |
|  |  |  |  |  |  |  | 2016 |  |  |  |  |  |  |
|  | First |  |  | Second |  |  | Third |  |  | Fourth |  |  | Year |
Net sales |  | $ | 33,101,657 |  |  | $ | 36,883,312 |  |  | $ | 33,478,347 |  |  | $ | 34,144,942 |  |  | $ | 137,608,258 |
Gross margin |  |  | 6,908,308 |  |  |  | 9,202,180 |  |  |  | 9,372,742 |  |  |  | 10,862,980 |  |  |  | 36,346,210 |
Engineering expenses |  |  | 594,538 |  |  |  | 733,009 |  |  |  | 663,704 |  |  |  | 577,056 |  |  |  | 2,568,307 |
Selling and administrative expenses |  |  | 5,352,906 |  |  |  | 5,363,303 |  |  |  | 5,444,924 |  |  |  | 6,480,898 |  |  |  | 22,642,031 |
Net income |  |  | 648,073 |  |  |  | 2,087,837 |  |  |  | 2,400,064 |  |  |  | 2,649,349 |  |  |  | 7,785,323 |
Net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | .10 |  |  | $ | .33 |  |  | $ | .38 |  |  | $ | .42 |  |  | $ | 1.25 |
Diluted |  | $ | .10 |  |  | $ | .33 |  |  | $ | .38 |  |  | $ | .42 |  |  | $ | 1.25 |
Weighted average shares outstanding: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | 6,248,222 |  |  |  | 6,250,610 |  |  |  | 6,252,681 |  |  |  | 6,254,605 |  |  |  | 6,251,535 |
Diluted |  |  | 6,248,222 |  |  |  | 6,250,610 |  |  |  | 6,252,681 |  |  |  | 6,254,605 |  |  |  | 6,251,535 |
Fiscal 2017 and 2016 consisted of four 13 week quarters totaling 52 weeks for the year.

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- References No definition available. + Details
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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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