Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Unrecognized Tax Benefit Roll-Forward (Details)

v2.4.1.9
Income Taxes - Schedule of Unrecognized Tax Benefit Roll-Forward (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
As of the beginning of the year $ 247us-gaap_UnrecognizedTaxBenefits $ 247us-gaap_UnrecognizedTaxBenefits $ 247us-gaap_UnrecognizedTaxBenefits
Increases for tax positions of current years 4us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions 0us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions 0us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
Reductions for tax positions of prior years (60)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
As of the end of the year $ 191us-gaap_UnrecognizedTaxBenefits $ 247us-gaap_UnrecognizedTaxBenefits $ 247us-gaap_UnrecognizedTaxBenefits