Income Taxes (Summary of Operating Loss Carryforwards and Tax Credit Carryforwards) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Operating Loss Carryforwards [Line Items]
Net deferred tax asset, net operating loss	$ 8,531	$ 5,029
Total net deferred tax asset	11,959	7,467
Total valuation allowance	6,459	3,196
Foreign tax authority
Operating Loss Carryforwards [Line Items]
Net deferred tax asset, net operating loss	772	430
Valuation allowance, net operating loss	772	351
State and local jurisdiction
Operating Loss Carryforwards [Line Items]
Net deferred tax asset, net operating loss	9,791	6,967
Valuation allowance, net operating loss	5,687	2,845
Net deferred tax asset, tax credit	1,396	70
Valuation allowance, tax credit	$ 0	$ 0

Operating Loss Carryforwards and Tax Credit Carryforward, Net Deferred Tax Asset, Amount

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- Definition

Operating Loss Carryforwards and Tax Credit Carryforward, Valuation Allowance, Amount

+ References

No definition available.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Amount of deferred tax asset, before valuation allowance, attributable to deductible other tax carryforwards.

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Amount of valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from tax credit carryforwards for which it is more likely than not that a tax benefit will not be realized.

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