Organization and Summary of Significant Accounting Policies (Estimated Useful Lives Of Property Plant And Equipment) (Details) |
12 Months Ended |
---|---|
Dec. 31, 2016 | |
Equipment and Furniture [Member] | |
Property, Plant and Equipment [Line Items] | |
Estimated useful lives, years | 5 years |
Computer Equipment and Software [Member] | |
Property, Plant and Equipment [Line Items] | |
Estimated useful lives, years | 3 years |
Leasehold Improvements [Member] | Maximum [Member] | |
Property, Plant and Equipment [Line Items] | |
Estimated useful lives, years | 7 years |