Debt (Detail) (USD $)						9 Months Ended		9 Months Ended		9 Months Ended		1 Months Ended		9 Months Ended			9 Months Ended
	Apr. 11, 2011 Subsequent Event [Member] 8% Subordinated Convertible Shareholder Notes Due 2016	Sep. 30, 2012 6% Shareholder Note Due 2013	Dec. 31, 2011 6% Shareholder Note Due 2013	Dec. 30, 2010 6% Shareholder Note Due 2013	May 06, 2011 8% Subordinated Convertible Shareholder Notes Due 2016	Sep. 30, 2012 Minimum [Member] 6% Shareholder Note Due 2013	Sep. 30, 2012 Minimum [Member] Line of Credit with FGI Amended [Member]	Sep. 30, 2012 Maximum [Member] 6% Shareholder Note Due 2013	Sep. 30, 2012 Maximum [Member] Line of Credit with FGI Amended [Member]	Sep. 30, 2012 6% Shareholder Note Due 2013	Mar. 31, 2011 6% Shareholder Note Due 2013	Jul. 27, 2012 8% Subordinated Convertible Shareholder Notes Due 2016	Feb. 16, 2012 8% Subordinated Convertible Shareholder Notes Due 2016	Sep. 30, 2012 8% Shareholder Note Due 2015	Sep. 30, 2012 Line Of Credit With FGI [Member]	Feb. 14, 2011 Line Of Credit With FGI [Member]	Sep. 30, 2012 Line of Credit with FGI Amended [Member]
Line of Credit Facility, Initiation Date															Feb. 14, 2011
Line of Credit Facility, Maximum Borrowing Capacity																$ 7,500,000
Line of Credit Facility Purchase Receivables Selected by Borrower																	80.00%
Line of Credit Facility Purchased Receivable Reserved by Borrowee																	20.00%
Line of Credit Facility Maximum Borrowing Capacity against Inventory Collateral							1,000,000		2,000,000
Line Of Credit Facility, Maximum Borrowing Capacity Against Inventory Collateral, Percentage Of Purchased Receivables																	50.00%
Line of Credit Facility, Interest Rate Description																	The interest rate on advances or borrowings under the FGI Facility was reduced from the greater of (i)7.50% per annum and (ii)2.50% per annum above the Wall Street Journal "prime rate" to the greater of (i) 6.50% per annum and (ii) 2.50% per annum above the prime rate
Line of Credit Facility, Collateral Fees																	The Company also agreed to pay FGI collateral management fees. As amended, the monthly collateral fees were reduced from 0.44% to 0.30% per month on the face amount of eligible receivables as to which advances have been made and from 0.55% to 0.38% per month on borrowings against inventory, if any.
Line of Credit Facility, Commitment Fee Description																	At any time outstanding advances or borrowings under the FGI Facility are less than $2.4million, the Company agreed to pay FGI standby fees of (i)the interest rate on the difference between $2.4 million and the average outstanding amounts and (ii)0.44% per month on 80% of the amount by which advances or borrowings are less than the agreed $2.4million minimum.
Debt Issuance Cost															75,000		75,000
Line of Credit Facility Termination Fee Percentage																	2.00%
Pledged Assets, Not Separately Reported, Finance Receivables																	4,500,000
Borrowings, Outstanding Amount Against Pledged Accounts Receivable																	3,500,000
Borrowings Outstanding Amount Against Pleged Inventory																	1,600,000
Other Notes Payable, Current		1,608,000	1,520,000	1,500,000
Debt Instrument, Interest Rate, Stated Percentage	8.00%										6.00%			8.00%
Debt Instrument, Maturity Date										Jun. 30, 2013				Jul. 27, 2015
Debt Instrument Premium Payment						100,000		200,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)										25,000			5,000	45,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)										10.40			3.80	2.09
Debt Instrument, Face Amount					$ 3,000,000									$ 3,000,000
Debt Instrument, Convertible, Number of Equity Instruments												250,000
Debt Instrument, Convertible, Conversion Price (in Dollars per share)												$ 4.00
Warrants, Expiration Date														Jul. 27, 2018