Description Of Business And Summary Of Significant Accounting Policies (Concentration of Credit Risk, Significant Customers and Channel Partners) (Details)	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	62.00%
Sales Revenue, Net [Member] | Franchise Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	55.00%
Product Concentration Risk [Member] | Sales Revenue, Product Line [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	67.00%	66.00%	55.00%
Customer A [Member] | Accounts Receivable [Member] | Credit Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	26.00%	26.00%
Customer B [Member] | Accounts Receivable [Member] | Credit Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	24.00%	10.00%