Debt - Additional Information (Detail) (USD $)	12 Months Ended			12 Months Ended		12 Months Ended						12 Months Ended	0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 8% convertible promissory notes	Dec. 31, 2012 8% convertible promissory notes	Dec. 31, 2013 8% convertible promissory notes Investor	Dec. 31, 2012 8% convertible promissory notes Investor	Dec. 31, 2013 MLTM And Samuel Rose 12% convertible revolving credit agreement conversion options	Dec. 31, 2013 MLTM And Samuel Rose 12% convertible Letter Of credit agreement conversion options	Dec. 31, 2013 Bank Term Loan One	Dec. 31, 2013 Bank Term Loan Two	Dec. 31, 2013 Samuel Rose 12% convertible revolving credit agreement conversion options	Nov. 15, 2013 3% promissory note	Dec. 31, 2013 3% promissory note
Debt Instrument [Line Items]
Convertible debt	$ 19,963,662	$ 7,128,187				$ 5,950,001	$ 7,128,187							$ 385,474
Convertible debt, interest rate				8.00%	8.00%								3.00%
Convertible debt, conversion price							$ 0.40
Warrants to purchase common stock, shares						14,875,004	17,820,470
Debt Instrument Payment Terms				including all outstanding principal and accrued and unpaid interest, are due and payable on the earlier of five years from date of issuance or upon the occurrence of an Event of Default									84
Warrant exercise price			1.00	0.60
Warrant Terms				for a period commencing on the date of issuance and ending on the earlier to occur of the date that is (i) three years after the date upon which the weighted average price of a share of Common Stock for the 90 consecutive trading days prior to such date is at least $2.00 per share, and (ii) five years after the date on which the Note to which the applicable Warrant is related has been repaid in full.
Amortization of convertible debt discount	685,761	510,220				644,100	136,700					22,400
Debt Issuance Cost				124,700
Line of credit facility, maximum borrowing capacity								2,000,000	500,000
Line of Credit Facility, Interest Rate During Period								12.00%
Line Of Credit Facility Interest Rate During Period Payble By Cash								4.00%
Line Of Credit Facility Interest Rate During Period Payble By Common Stock								8.00%
Line of Credit Facility, Amount Outstanding								2,000,000
Line Of Credit Facility Periodic Payment Shares								200,000
Line Of Credit Facility Periodic Payment Within One Year Shares								200,000
Line Of Credit Facility Periodic Payment Within Two Year Shares								200,000
Line Of Credit Facility Commission Fee Rate During Period Payble By Cash								2.00%
Line Of Credit Facility Commission Fee Rate During Period Payble By Common Stock								4.00%
Debt Instrument, Face Amount										1,000,000	3,500,000		385,500
Debt Instrument, Interest Rate at Period End										4.25%	4.25%
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months										100,000
Long-term Debt, Maturities, Repayments of Principal in Year Two										100,000
Long-term Debt, Maturities, Repayments of Principal in Year Three										250,000
Long-term Debt, Maturities, Repayments of Principal in Year Four										250,000
Debt Conversion, Converted Instrument, Amount												$ 7,800