XML 13 R39.htm IDEA: XBRL DOCUMENT v2.4.0.8
Retained Interest in Purchased Accounts Receivable - Summary of Adjustments to allowance for uncollectible invoices (Details 2) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Retained Interest In Purchased Accounts Receivable [Abstract]    
Balance - beginning of year $ 80,449 $ 17,500
Provision for credit losses    62,949
Write-offs (89,649)   
Balance - end of year $ 3,000 $ 80,449