Annual report pursuant to section 13 and 15(d)

Accrued Expenses (Details 1)

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Accrued Expenses (Details 1) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Accrued Liabilities And Other Liabilities Current [Line Items]    
Balance, beginning of the year $ 103,129 $ 123,979
Provisions for warranty and beta replacements 32,991 18,900
Warranty payments or beta replacements (23,042) (39,750)
Balance, end of the year $ 113,078 $ 103,129