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Acquisitions - Summary of Allocation of Purchase Price for Acquired Identifiable Assets, Liabilities Assumed and Goodwill (Details) - USD ($) | Apr. 27, 2017 | Mar. 31, 2018 | Dec. 31, 2017
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Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |
Goodwill |  | $ 3,700,447 | $ 3,700,447
Antenna Plus |  |  |
Consideration: |  |  |
Cash | $ 6,383,500 |  |
Working capital adjustments | (34,770) |  |
Fair value of total consideration transferred | 6,348,730 |  |
Recognized amounts of identifiable assets acquired and liabilities assumed: |  |  |
Accounts receivable | 584,390 |  |
Inventory | 432,770 |  |
Fixed assets | 402,958 |  |
Intangible assets | 2,600,000 |  |
Current liabilities | (121,879) |  |
Total identifiable net assets acquired | 3,898,239 |  |
Goodwill | 2,450,491 |  |
Total | $ 6,348,730 |  |

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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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