Summary Of Significant Accounting Policies (Impairment of Long-Lived Assets) (Details) - USD ($)	9 Months Ended		12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Mar. 31, 2016
Asset Impairment Charges [Abstract]
Impairment of long-lived assets	$ 0	$ 0	$ 0