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ACQUISITIONS (Details Textual) - USD ($) |  |  | 3 Months Ended
--- | --- | --- | ---
Sep. 18, 2017 | Apr. 03, 2017 | Mar. 31, 2019 | Apr. 01, 2018
Business Acquisition [Line Items] |  |  |  |
Revenues |  |  | $ 68,776,067 | $ 66,855,470
Net income |  |  | 2,496,024 | 2,465,571
Zycron, Inc. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Initial cash paid for acquisition |  | $ 18,500,000 |  |
Stock issued during period, value, acquisitions |  | 1,000,000 |  |
Escrow deposit |  | 500,000 |  |
Contingent consideration |  | $ 3,000,000 |  |
Business combination, period of contingency |  | 2 years |  |
Business combination, period for true-up of acquired working capital |  | 120 days |  |
Revenues |  |  | 9,000,000 | 17,600,000
Net income |  |  | 900,000 | 1,600,000
Revenues |  |  | 73,782,000 | 214,659,000
Net income |  |  | $ 3,203,000 | 6,992,000
Smart, Inc. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Initial cash paid for acquisition | $ 6,000,000 |  |  |
Contingent consideration | $ 2,000,000 |  |  |
Business combination, period of contingency | 2 years |  |  |
Business combination, period for true-up of acquired working capital | 90 days |  |  |
Revenues |  |  |  | 200,000
Net income |  |  |  | $ 0
Private Placement | Zycron, Inc. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Stock issued during period, shares, acquisitions |  | 70,670 |  |

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- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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