Annual report pursuant to Section 13 and 15(d)

Income Taxes (Schedule of Tax Rate Reconciliation) (Details)

v2.4.0.8
Income Taxes (Schedule of Tax Rate Reconciliation) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Amount      
Benefit at statutory rate $ (14,517,816) $ (9,913,450) $ (8,516,176)
Adjustments to valuation allowance 15,399,021 8,604,147 0
Permanent items and other (38,791) 244,680 636,033
Benefit per financial statements 0 0 (7,880,143)
Percent      
Benefit at statutory rate (34.00%) (34.00%) (34.00%)
Adjustments to valuation allowance 36.10% 29.50% 0.00%
Permanent items and other (0.10%) 0.80% 2.50%
Income Tax Reconciliation, Tax Credits, Research $ (842,414) $ 1,064,623  
Effective Income Tax Rate Reconciliation, Tax Credits, Research (2.00%) 3.70%