Quarterly report pursuant to Section 13 or 15(d)

Income taxes (Detail Textuals)

v3.19.1
Income taxes (Detail Textuals)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Income Tax Disclosure [Abstract]    
Effective income tax rate 11.10% 17.50%
U.S.statutory tax rate 21.00%