Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 1)

v3.3.1.900
Income Taxes (Details 1)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Federal tax at statutory rate 34.00% 34.00% 34.00%
State tax, net of federal tax effect 0.00% 1.50% 5.80%
R&D credit 0.50% 0.30% 0.00%
Change in valuation allowance (38.40%) (18.90%) (40.10%)
Non- deductible expenses (1.00%) (0.20%) (3.60%)
Unrealized (gain) loss on warrant 4.30%    
Foreign 0.50% (0.10%) (0.10%)
Other 0.10% 0.10% 1.60%
Total tax expense 0.00% 0.00% 0.00%