Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Components of Provision for Income Tax (Details)

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Income Taxes - Components of Provision for Income Tax (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Income Tax Disclosure [Abstract]    
Income tax provision $ 827,264 $ 878,139
Effective income tax rate 31.70% 26.70%