Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2019

Summary of Significant Accounting Policies [Abstract]

Shares Used to Calculate Basic And Diluted Earnings (Loss) Per Common Share

	Three Months Ended June 30,		Six Months Ended June 30,
	2019	2018	2019	2018
Basic weighted-average common shares outstanding	64,685,188	63,583,280	64,454,718	63,408,679
Performance based restricted stock	—	12,138	—	40,094
Unvested restricted stock	—	434,554	—	880,535
Diluted weighted-average common shares outstanding	64,685,188	64,029,972	64,454,718	64,329,308

Earnings Per Share, Basic and Diluted

	Three Months Ended June 30,		Six Months Ended June 30,
	2019	2018	2019	2018
Warrants	—	332,000	—	332,000
Unvested restricted stock	531,305	840,066	712,427	357,501
Stock options	—	58,500	—	58,500
Total	531,305	1,230,566	712,427	748,001