Fair Value Measurement (Cash and Cash Equivalents) (Details) - Money Market Funds [Member] - Fair Value, Inputs, Level 1 [Member] $ in Thousands	Sep. 30, 2015 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash Equivalents, Beginning Balance	$ 10,600
Cash Equivalents, Ending Balance	1,800
Cost [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash Equivalents, Beginning Balance	10,606
Cash Equivalents, Ending Balance	1,807
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash Equivalents, Beginning Balance	10,606
Cash Equivalents, Ending Balance	$ 1,807