Summary Of Significant Accounting Policies (Computation Of Basic And Diluted EPS) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Summary Of Significant Accounting Policies [Abstract]
Net income	$ 1,435,229	$ 1,176,967
Cumulative dividend on convertible preferred stock	(353,589)	(363,188)
Net income attributable to convertible preferred stockholders	(610,280)	(509,323)
Net income attributable to common stockholders	$ 471,360	$ 304,456
Shares used for basic EPS-weighted average shares	30,957,648	22,318,000
Effect of diluted securities: Restricted stock units	292,891	13,683
Effect of diluted securities: Warrants	1,872,059
Weighted average number of common shares and equivalents:	33,122,598	22,331,683
Basic EPS	$ 0.02	$ 0.01
Diluted EPS	$ 0.01	$ 0.01