Convertible Notes Payable - Additional Information (Detail) - USD ($)		1 Months Ended	6 Months Ended
	Oct. 15, 2015	Jul. 31, 2014	Sep. 30, 2015	Sep. 30, 2014	Oct. 14, 2015	Mar. 31, 2015	Jul. 21, 2014	Mar. 28, 2014
Debt conversion description [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights							100,000
Debt Instrument, Face Amount	$ 7,282,500
Debt Instrument, Unamortized Discount			$ 217,316			$ 1,060,401		$ 990,838
Debt Instrument, Convertible, Beneficial Conversion Feature			0	$ 578,155
Subsequent Event [Member]
Debt conversion description [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	325,000
Class of Warrant or Right, Exercise Price of Warrants or Rights					$ 9.00
8% Senior Subordinated Convertible Notes due February 1, 2015
Debt conversion description [Line Items]
Debt Instrument, Unamortized Discount			$ 913,904			985,255
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			$ 24,770			$ 62,182
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%
Redemption Notice Period			60 days
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			3 years 8 months 12 days
Fair Value Assumptions, Risk Free Interest Rate			1.30%
Fair Value Assumptions, Expected Volatility Rate			48.60%
Share Price			$ 6.90
NNA Financing 8 Convertible Note | Common Stock
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]
Debt conversion, price per share of common stock			$ 10.00
Fair Value Assumptions, Expected Term			5 years 8 months 12 days
Fair Value Assumptions, Risk Free Interest Rate			1.80%
Fair Value Assumptions, Expected Volatility Rate			57.60%
Share Price			$ 6.90
Stock Issued			$ 100,000
NNA 8 Convertible Notes | Subsequent Event [Member]
Debt conversion description [Line Items]
Long-term Line of Credit	$ 7,304,506
Line of Credit Facility, Annual Principal Payment	7,282,500
Line of Credit Facility, Periodic Payment, Interest	$ 22,006