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Acquisition of non-controlling interest in BAHA - Additional Information (Detail) - USD ($)
Nov. 04, 2016
Dec. 31, 2016
Oct. 14, 2015
Business Acquisition [Line Items]      
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 1.1485 $ 9.00
BAHA [Member]      
Business Acquisition [Line Items]      
Business Combination, Contingent Consideration, Liability $ 100,000    
Business Acquisition, Percentage of Voting Interests Acquired 100.00%    
Stock Purchase Agreement, Purchase Price Description a payment of $25,000 (the Initial Payment) at the closing (the Closing) of the Transaction, which also took place on November 4, 2016 (the Closing Date); (ii) a contingent payment in the aggregate amount of $100,000 to be paid over a period of 18 months    
Net Working Capital $ 300,000    
Interest Rate On Net Working Capital Difference 4.00%    
Business Combination, Contingent Consideration Arrangements, Description (i) $25,000 on the six-month anniversary of the Closing, an additional $50,000 on the first-year anniversary of the Closing and a final $25,000 on the 18-month anniversary of the Closing, if as of each such date, BAHAs revenue is greater than $6,000,000    
Reclassification Of Non Controlling Interest Of BAHA $ 191,095    
Enderby [Member]      
Business Acquisition [Line Items]      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 24,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 4.50    
Class of Warrant or Right, Vesting Tranche 1,000    
Class of Warrant or Right, Vesting Term 24 months    
Class of Warrant or Right, Vesting Commencement Date Dec. 04, 2016    
Class of Warrant or Right, Termination Date Nov. 04, 2018