Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details)

v3.19.1
Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Reconciliation of beginning and ending unrecognized tax benefits    
Balance as of January 1 $ 4,723 $ 4,723
Increase from current year tax positions 0 0
Decrease from settlements with taxing authority 0 0
Balance as of December 31 $ 4,723 $ 4,723