Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 2)

v3.6.0.2
Income Taxes (Details 2)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Income Tax Contingency [Line Items]    
Tax benefit at federal statutory rate (34.00%) (34.00%)
State income taxes (5.70%) (5.50%)
Permanent difference:    
Stock-based compensation 0.80% 1.30%
Meals and entertainment 0.10% 0.10%
Other 0.00% 0.70%
Effective income tax rate 0.00% 0.00%
Domestic Tax Authority [Member]    
Permanent difference:    
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent 1.70%  
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent (1.50%) (4.40%)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent 32.90% 36.30%
State and Local Jurisdiction [Member]    
Permanent difference:    
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent 1.20% (0.20%)
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent (1.10%) (3.10%)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent 5.60% 8.80%