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Acquisitions - Additional Information (Details) - USD ($)
 3 Months Ended 6 Months Ended
Apr. 27, 2017
Dec. 17, 2015
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Business Acquisition [Line Items]            
Business acquisition, sales     $ 14,971,681 $ 13,013,143 $ 28,276,779 $ 24,265,560
Business acquisition, cost of goods sold     8,370,160 6,891,619 15,481,087 12,855,577
Net income (loss)     (3,190,347) $ (70,121) (4,296,138) 314,970
Business acquisition up front payment           $ 6,348,730
Payment of deferred purchase price outstanding amount         375,000  
Business combination, gain on deferred purchase price liability     388,733   388,733  
Antenna Plus            
Business Acquisition [Line Items]            
Total consideration paid in cash $ 6,348,730          
Business acquisition, sales     1,900,000   4,200,000  
Business acquisition, cost of goods sold     800,000   1,700,000  
Net income (loss)     400,000   $ 1,100,000  
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.  
Business acquisition up front payment 6,383,500          
Accounts receivable $ 584,390          
Skycross, Inc.            
Business Acquisition [Line Items]            
Date of asset purchase agreement   Dec. 17, 2015        
Business acquisition up front payment   $ 4,000,000        
Contingent consideration arrangement   1,000,000 1,000,000      
Business combination, contingent consideration arrangements, description         The $1.0 million of contingent consideration is payable upon the later of (i) the expiration of the Transition Services Agreement between the Company and Skycross which defined transition services to be provided by Skycross to the Company and (ii) the date on which the Company received copies of third party approvals with respect to each customer and program that was purchased.  
Amount to be paid under contingent consideration arrangements, value, low   0        
Amount to be paid under contingent consideration arrangements, value, high   $ 1,000,000        
Accounts receivable     362,069   $ 362,069  
Payment of deferred purchase price outstanding amount     375,000      
Business combination, due to skycross     125,802   125,802  
Business combination, gain on deferred purchase price liability     $ 388,733   $ 388,733