Annual report pursuant to Section 13 and 15(d)

Income Taxes (Schedule of Tax Effects of Temporary Differences and Related Deferred Tax Assets and Liabilities) (Details)

v2.4.1.9
Income Taxes (Schedule of Tax Effects of Temporary Differences and Related Deferred Tax Assets and Liabilities) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Deferred tax assets:    
Depreciation and other $ 1,409us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment $ 1,034us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment
Net operating loss carryforwards 19,525us-gaap_DeferredTaxAssetsOperatingLossCarryforwards 13,632us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Unused R&D tax credits 381us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch 280us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch
Less: Valuation allowance (21,315)us-gaap_DeferredTaxAssetsValuationAllowance (14,946)us-gaap_DeferredTaxAssetsValuationAllowance
Net deferred tax asset