Income Taxes (Changes in unrecognized tax benefits) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	$ 26,000	$ 0
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Gross amount of unrecognized tax benefits as of the beginning of the period	1,079,000	908,000
Increases related to prior year tax provisions	30,000	7,000
Decreases related to prior year tax provisions	(239,000)	0
Increases related to current year tax provisions	222,000	164,000
Gross amount of unrecognized tax benefits as of the end of the period	$ 1,092,000	$ 1,079,000