Debt - Additional Information (Detail) (USD $)	3 Months Ended					3 Months Ended				12 Months Ended				3 Months Ended				3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Jan. 31, 2014	Dec. 31, 2013	Dec. 31, 2011	Mar. 31, 2014 8% convertible promissory notes	Mar. 31, 2013 8% convertible promissory notes	Mar. 31, 2014 8% convertible promissory notes Investor	Mar. 31, 2013 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	Mar. 31, 2014 Samuel Rose 12% convertible revolving credit agreement conversion options	Mar. 31, 2014 3% promissory note	Dec. 31, 2013 3% promissory note	Nov. 15, 2013 3% promissory note	Mar. 31, 2014 12% Revolving Credit Agreement	Mar. 31, 2014 4.25% Bank Term Loans	Mar. 31, 2014 Exercise Price One [Member] 8% convertible promissory notes	Mar. 31, 2014 Exercise Price Two [Member] 8% convertible promissory notes
Debt Instrument [Line Items]
Convertible debt	$ 22,622,281			$ 19,963,662				$ 1,700,000	$ 1,000,000						$ 344,093	$ 385,474
Convertible debt, interest rate			8.00%			8.00%											3.00%
Convertible debt, conversion price								$ 0.40	$ 0.74
Warrants to purchase common stock, shares								5,601,352
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
Warrant exercise price					1.00															0.60	1.11
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	379,795	143,891				379,800	143,900							56,600
Debt Issuance Cost						130,300
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				344,100
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
Debt Conversion, Converted Instrument, Shares Issued																				4,250,000	1,351,352
Debt Instrument, Unamortized Discount	3,159,292			2,173,559										69,700
Interest Expense, Other															2,900			67,100	47,800
Interest Paid, Total	75,312	610																30,000
Paid-in-Kind Interest	385,269	0																37,100
Interest Expense, Debt						265,900
Debt Instrument, Increase, Accrued Interest						$ 265,900
Stock Issued During Period, Shares, New Issues						359,300