Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Textual)

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Commitments and Contingencies (Details Textual) (USD $)
 0 Months Ended 3 Months Ended 6 Months Ended
Jan. 16, 2014
Dec. 01, 2013
Apr. 01, 2012
Mar. 01, 2012
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
May 10, 2014
May 02, 2014
Operating Leased Assets [Line Items]                    
Term Of Future Office Lease       39 months            
Operating Leases, Rent Expense $ 4,000 $ 10,300 $ 2,500 $ 12,000            
Operating Leases, Rent Expense, Net 48,000 621,000 92,000 468,000 120,281 50,315 223,588 95,269    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                 2,607,712 3,869,048
Class of Warrant or Right, Exercise Price of Warrants or Rights                 $ 0.97  
Certificate of deposit value         210,585   210,585      
Charging Station [Member]
                    
Operating Leased Assets [Line Items]                    
Purchase Commitment Number Of Charging Stations Committed             500      
Amount Paid To Purchase Charging Stations Per Unit Minimum             2,500      
Amount Paid To Purchase Charging Stations Per Unit Maximum             2,700      
Reimbursement Of Price Discount             $ 42,000      
Purchase Commitment Number Of Units Purchased             90