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Acquisitions - Additional Information (Details) - USD ($) |  | 3 Months Ended
--- | --- | ---
Apr. 27, 2017 | Mar. 31, 2018 | Mar. 31, 2017
Business Acquisition [Line Items] |  |  |
Business acquisition, revenue |  | $ 13,305,098 | $ 11,252,417
Business acquisition, cost of goods sold |  | 7,110,927 | 5,963,959
Net income (loss) |  | (1,105,791) | $ 385,090
Antenna Plus |  |  |
Business Acquisition [Line Items] |  |  |
Total consideration paid in cash | $ 6,348,730 |  |
Business acquisition, revenue |  | 2,300,000 |
Business acquisition, cost of goods sold |  | 900,000 |
Net income (loss) |  | $ 700,000 |
Business acquisition pro forma information description |  | The pro forma information includes adjustments to amortization and depreciation for intangible assets and property, plant and equipment acquired. The pro forma data are for informational purposes only and are not necessarily indicative of the consolidated results of operations of the combined business had the acquisition actually occurred at the beginning of fiscal year 2017 or of the results of future operations of the combined business. |

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