Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation between statutory rate and effective rate (Details)

v3.20.1
Income Taxes - Reconciliation between statutory rate and effective rate (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Unrecognized tax benefits activity    
Federal tax at statutory rate 21.00% 21.00%
Stock compensation and other permanent differences (31.00%) 2.00%
Tax credits   1.00%
Valuation allowance 10.00% (23.00%)
Total   1.00%