Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses (Details Textual)

v2.4.0.8
Accrued Expenses (Details Textual) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2014
Accounts Payable And Accrued Expenses [Line Items]    
Product Warranty Expense $ 276,295  
Warranty [Member]
    
Accounts Payable And Accrued Expenses [Line Items]    
Product Warranty Expense $ 438,076 $ 438,076
Maximum [Member]
    
Accounts Payable And Accrued Expenses [Line Items]    
Product Warranty Period   2 years
Minimum [Member]
    
Accounts Payable And Accrued Expenses [Line Items]    
Product Warranty Period   1 year