Quarterly report pursuant to Section 13 or 15(d)

Nature of Business and Summary of Significant Accounting Policies, Advertising, Research and Development (Details)

v3.19.3
Nature of Business and Summary of Significant Accounting Policies, Advertising, Research and Development (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Advertising [Abstract]        
Advertising costs $ 2.3 $ 1.2 $ 3.5 $ 2.2
Research and Development [Abstract]        
Research and development $ 0.0   $ 0.0