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Convertible Notes Payable - Additional Information (Detail) - Financial Instruments [Domain] - Short-Term Debt, Type [Domain] - USD ($)
1 Months Ended 2 Months Ended 12 Months Ended
Jul. 31, 2014
Mar. 31, 2014
Mar. 31, 2015
Jan. 31, 2014
Dec. 31, 2014
Dec. 13, 2014
Nov. 18, 2014
Oct. 30, 2014
Debt conversion description [Line Items]                
Debt Instrument, Unamortized Discount   $ 1,305,435 $ 1,060,401          
Debt Instrument, Convertible, Beneficial Conversion Feature   0 $ 578,155 $ 0        
Share Price $ 5.90       $ 3.90 $ 3.90 $ 4.60 $ 4.30
9% Senior Subordinated Convertible Notes due February 15, 2016                
Debt conversion description [Line Items]                
Convertible notes payable, interest payment terms     If the Average Daily Value of Trades (ADVT) during the prior 90 days as reported by Bloomberg is greater than $100,000, the 9% Notes are callable at a price of 105% of the 9% Notes par value, and if the ADVT is less than $100,000, the 9% Notes are callable at a price of 110% of the 9% Notes par value.          
Debt conversion, price per share of common stock     $ 4.00          
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     66,000          
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 4.50          
Debt Instrument, Unamortized Discount   $ 137,393 $ 62,682 $ 149,478        
Convertible notes, interest rate     9.00%          
Fair Value Assumptions, Expected Term     5 years          
Fair Value Assumptions, Risk Free Interest Rate     0.70%          
Fair Value Assumptions, Expected Volatility Rate     36.70%          
Notes Payable, Fair Value Disclosure     $ 186,897          
NNA Financing 8 Convertible Note                
Debt conversion description [Line Items]                
Debt conversion, price per share of common stock $ 10.00              
Debt Instrument, Face Amount     $ 2,000,000          
Debt Instrument, Unused Borrowing Capacity, Amount $ 2,000,000              
Proceeds from Issuance of Debt 2,000,000              
Debt Instrument, Unamortized Discount $ 1,065,775              
Convertible notes, interest rate 8.00%              
Debt Instrument, Convertible, Beneficial Conversion Feature $ 578,155              
Fair Value Assumptions, Expected Term     4 years          
Fair Value Assumptions, Risk Free Interest Rate     1.10%          
Fair Value Assumptions, Expected Volatility Rate     47.60%          
Share Price     $ 4.25          
NNA Financing 8 Convertible Note | Common Stock [Member]                
Debt conversion description [Line Items]                
Percentage For Down round financing     100.00%          
NNA Financing 8 Convertible Note | Warrant                
Debt conversion description [Line Items]                
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right     100,000          
NNA 8 Convertible Notes                
Debt conversion description [Line Items]                
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 10.00          
Fair Value Assumptions, Expected Term     6 years          
Fair Value Assumptions, Risk Free Interest Rate     1.50%          
Fair Value Assumptions, Expected Volatility Rate     57.40%          
Share Price     $ 4.25          
Stock Issued     $ 100,000