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Line of Credit (Detail)
 9 Months Ended
Sep. 30, 2012
Diamond Bar [Member]
USD ($)
Sep. 30, 2012
Nova Dongguan [Member]
USD ($)
Sep. 30, 2012
Nova Dongguan [Member]
CNY
Line of Credit Facility, Maximum Borrowing Capacity $ 5,000,000 $ 3,154,077 20,000,000
Debt Instrument, Interest Rate, Stated Percentage 4.50% 6.94%  
Line of Credit Facility, Amount Outstanding 3,431,818 1,103,927 7,000,000
Interest Expense, Debt $ 39,597 $ 23,513  
Line of Credit Facility, Covenant Terms (i) maintain a minimum tangible net worth of not less than $3 million; (ii) maintain a current ratio in excess of 1.25 to 1.00; and (iii) maintain a ratio of debt to tangible net worth not in excess of 3.500 to 1.000; (iv) the pre-tax income must benot less than 0.5% of total revenue quarterly