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CONVERTIBLE SENIOR NOTE (Interest Expense) (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Debt Instrument [Line Items]      
Amortization of the debt discount       $ 36,297us-gaap_AmortizationOfDebtDiscountPremium
Total interest expense recognized 895,056us-gaap_InterestExpenseDebt 693,282us-gaap_InterestExpenseDebt 262,758us-gaap_InterestExpenseDebt
Convertible Notes Payable [Member]      
Debt Instrument [Line Items]      
Interest expense at coupon rate     26,730us-gaap_InterestExpenseDebtExcludingAmortization
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
Amortization of the debt discount     36,297us-gaap_AmortizationOfDebtDiscountPremium
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
Total interest expense recognized     $ 63,027us-gaap_InterestExpenseDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember