Annual report pursuant to section 13 and 15(d)

Accrued Expenses (Details)

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Accrued Expenses (Details) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Accrued Liabilities And Other Liabilities Current [Line Items]      
Accrued compensation $ 249,160 $ 0  
Warranty reserve 113,078 103,129 123,979
Accrued interest 0 65,041  
Other 98,955 9,833  
Accrued Liabilities, Current $ 461,193 $ 178,003