Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Components of Long-Term Debt) (Parenthetical) (Detail)

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Long-Term Debt (Components of Long-Term Debt) (Parenthetical) (Detail) - USD ($)
6 Months Ended 12 Months Ended
Jun. 03, 2014
Jun. 30, 2016
Dec. 31, 2015
Debt Instrument [Line Items]      
Fair Value Of Debt Embedded Conversion Price Adjustment Option $ 1,938,988    
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months   $ 1,896,240  
The principal and interest is subject to a fixed blended repayment schedule of 36 months, commencing July 15, 2013.      
Debt Instrument [Line Items]      
Long term debt, fixed interest repayment term   36 months 36 months
Long term debt repayment starting date   Jul. 15, 2013 Jul. 15, 2013
Long term debt, fixed interest rate   12.00% 12.00%
The principal is subject to a fixed semi-annual repayment schedule commencing October 31, 2013 over 48 months [Member]      
Debt Instrument [Line Items]      
Long term debt, fixed interest repayment term   48 months 48 months
Long term debt repayment starting date   Oct. 31, 2013 Oct. 31, 2013
Long term debt, fixed interest rate   0.00% 0.00%
Unamortized debt discount related to derivative liability associated with above notes’ conversion price that was subject to adjustment in the event of subsequent equity sales at a lower purchase price (subject to certain exceptions). Upon issuance on June 3, 2014 the discount was $1,938,988 [Member]      
Debt Instrument [Line Items]      
Fair Value Of Debt Embedded Conversion Price Adjustment Option   $ 1,938,988 $ 1,938,988
Convertible, Senior Secured Notes Issued Debt Issuance Costs [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months   $ 23,000 $ 20,000
Debt Issuance Costs, Net $ 139,340    
Convertible Senior Secured Notes payable [Member]      
Debt Instrument [Line Items]      
Long term debt, fixed interest repayment term   June 3, 2017 June 3, 2017
Long term debt, fixed interest rate   5.00% 5.00%
Debt Instrument, Convertible, Conversion Price   $ 2.25 $ 2.25