Nature of Operations and Summary of Significant Accounting Policies Leasehold Improvements and Equipment (Details)
|
12 Months Ended |
---|---|
Dec. 31, 2014
|
|
Minimum | |
Property, Plant and Equipment [Line Items] | |
Equipment, useful life | 3 years |
Maximum | |
Property, Plant and Equipment [Line Items] | |
Equipment, useful life | 10 years |