Stockholders Equity (Tables)

3 Months Ended

Mar. 31, 2019

Class A Common Stock

Schedule of Shares Offered and Increase in Shares Outstanding in Follow-on Offerings

	Total Shares		Total Increase in
Date of Offering	Offered		Shares Outstanding
November, 2014		6,325,000		4,511,058
January, 2017		5,750,000		5,356,876
July, 2017		6,000,000		5,680,903
March, 2018		5,000,000		4,689,295
August, 2018		5,000,000		4,685,217
Total		28,075,000		24,923,349