Post-effective amendment to a registration statement that is not immediately effective upon filing

Income Taxes (Schedule of Domestic and Foreign Components of Pre-tax Loss) (Details)

v2.4.1.9
Income Taxes (Schedule of Domestic and Foreign Components of Pre-tax Loss) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Domestic and foreign components of pre-tax loss      
Domestic $ (33,750)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic $ (11,928)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic $ (14,562)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
Foreign 113us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign 65us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign 86us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
Loss before income taxes $ (33,637)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments $ (11,863)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments $ (14,476)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments