Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation (Details)

v3.19.1
Income Taxes - Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 22, 2017
Dec. 31, 2018
Dec. 31, 2017
Reconciliation between effective tax rate and federal statutory rate, percent      
Federal income tax rate (as a percent) 35.00% 21.00% 34.00%
Change in Federal Rate (as a percent)     (11.40%)
Stock based compensation (as a percent)   (2.20%) (4.20%)
Federal and state credits (as a percent)   1.60% 0.90%
State Taxes (as a percent)   6.30%  
Change in valuation allowance (as a percent)   (26.50%) (19.30%)
Other (as a percent)   (0.20%)  
Effective Tax Rate (as a percent)   0.00%  
Net operating loss carry-forwards   $ 18,200  
Tax credit carry-forwards   $ 366  
Reduction of deferred tax assets related to net operating losses and other assets     $ 470