Debt - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2015	Nov. 15, 2013
Debt Instrument [Line Items]
Convertible debt	$ 36,936,986		$ 36,936,986		$ 32,258,031
Amortization of convertible debt discount			1,970,382	$ 2,055,894
Debt Instrument, Unamortized Discount	2,390,265		2,390,265		4,360,647
Interest Paid, Total			580,061	221,824
Debt Amount Cancelled Under Mutual Agreement			275,000
8% convertible promissory notes 2012
Debt Instrument [Line Items]
Convertible debt	$ 15,628,188		$ 15,628,188
Warrants to purchase common stock, shares	37,800,000		37,800,000
Amortization of convertible debt discount	$ 326,497	$ 1,100,000	$ 1,100,000	1,900,000
Debt Issuance Cost			$ 146,741
Line Of Credit Facility Interest Rate During Period Payable By Common Stock			8.00%
Debt Instrument, Unamortized Discount	1,400,000		$ 1,400,000
Interest Expense, Other	339,954	316,300	1,023,802	922,198
Debt Instrument, Increase, Accrued Interest			676,213		271,530
Debt Amount Cancelled Under Mutual Agreement			11,400,000
8% convertible promissory notes 2012 | Common Stock [Member]
Debt Instrument [Line Items]
Convertible debt	$ 1,000,000		$ 1,000,000
Convertible debt, conversion price	$ 0.74		$ 0.74
Common Stock, Par or Stated Value Per Share	$ 0.40		$ 0.40
MLTM And Samuel Rose 12% convertible revolving credit agreement conversion options
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity						$ 2,000,000
Line of Credit Facility, Interest Rate During Period						12.00%
Line Of Credit Facility Interest Rate During Period Payable By Cash						4.00%
Line Of Credit Facility Interest Rate During Period Payable By Common Stock			8.00%
Line of Credit Facility, Amount Outstanding	$ 140,000		$ 140,000			$ 2,000,000
Line Of Credit Facility Periodic Payment Shares			600,000
Line Of Credit Facility Commission Fee Rate During Period Payable By Cash			2.00%
Line Of Credit Facility Commission Fee Rate During Period Payable By Common Stock			4.00%
MLTM And Samuel Rose 12% convertible revolving credit agreement conversion options | Common Stock [Member]
Debt Instrument [Line Items]
Line Of Credit Facility Periodic Payment Shares			200,000
MLTM And Samuel Rose 12% convertible Letter Of credit agreement conversion options
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity						500,000
Bank Term Loan One
Debt Instrument [Line Items]
Debt Instrument, Face Amount						$ 1,000,000
Debt Instrument, Interest Rate at Period End						4.25%
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months						$ 100,000
Long-term Debt, Maturities, Repayments of Principal in Year Three						$ 250,000
Debt Instrument Maturity Month and Year						Nov. 15, 2018
Bank Term Loan Two
Debt Instrument [Line Items]
Debt Instrument, Face Amount						$ 3,500,000
Debt Instrument Maturity Month and Year						Nov. 15, 2018
Samuel Rose 12% convertible revolving credit agreement conversion options
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding	300,000		$ 300,000
3% promissory note
Debt Instrument [Line Items]
Convertible debt	214,134		214,134		279,843		$ 214,134
Convertible debt, interest rate								3.00%
Interest Expense, Other	1,716	2,368	$ 5,642	7,582
Debt Instrument Maturity Month and Year			Feb. 01, 2018
12% Revolving Credit Agreement
Debt Instrument [Line Items]
Amortization of convertible debt discount	17,072	58,489	$ 87,713	120,343
Interest Expense, Other	64,333	58,489	$ 182,497	186,827
Stock Issued During Period, Shares, New Issues			400,000
Debt Amount Cancelled Under Mutual Agreement			$ 2,300,000
4.25% Bank Term Loans
Debt Instrument [Line Items]
Interest Expense, Other	47,800	48,875	142,362	145,563
12% Convertible Promossory Notes
Debt Instrument [Line Items]
Convertible debt	1,000,000		1,000,000		1,000,000
Amortization of convertible debt discount			34,162	38,800
Debt Instrument, Unamortized Discount		84,038		84,038
Interest Expense, Other	30,667		91,000
Debt Amount Cancelled Under Mutual Agreement			666,666
12% Convertible Promossory Notes | Investor
Debt Instrument [Line Items]
Convertible debt					$ 1,000,000
Convertible debt, interest rate					12.00%
Debt Instrument Percentage Of Conversion Price					85.00%
5% Bank Promissory Note
Debt Instrument [Line Items]
Convertible debt	4,000,000		4,000,000		$ 4,000,000
Interest Expense, Other	$ 51,111		$ 151,667
Interest Expense, Debt		6,111		6,111
Debt Instrument Maturity Month and Year			Sep. 18, 2017
8% convertible promissory notes 2014
Debt Instrument [Line Items]
Convertible debt					$ 2,000,000
Convertible debt, interest rate	8.00%		8.00%		8.00%
Amortization of convertible debt discount	$ 237,691		$ 778,771
Debt Conversion, Converted Instrument, Shares Issued					7,500,000
Debt Instrument, Unamortized Discount	1,000,000		1,000,000
Interest Expense, Other	40,889		127,644
Interest Paid, Total		$ 36,741		$ 43,185
Debt Amount Cancelled Under Mutual Agreement			1,300,000
12% secured notes
Debt Instrument [Line Items]
Convertible debt	$ 6,394,664		$ 6,394,664		$ 1,950,000
Convertible debt, interest rate	12.00%		12.00%
Interest Expense, Other	$ 196,103		$ 529,244
Debt Amount Cancelled Under Mutual Agreement			$ 3,966,776
Term Bank Loans | 5% Bank Promissory Note
Debt Instrument [Line Items]
Convertible debt					$ 4,000,000
Convertible debt, interest rate					5.00%
Debt Instrument Maturity Month and Year					Sep. 18, 2017