|
Income Taxes (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Income Taxes [Line Items] | |||
| Deferred tax asset | $ 0us-gaap_DeferredTaxAssetsNet | ||
| Change in valuation allowance | 6,371us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance | 4,806us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance | 5,734us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance |
| Open tax year | 2007 | ||
| Federal [Member] | |||
| Income Taxes [Line Items] | |||
| Net operating loss tax carryforwards |
50,870us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
||
| Net operating loss tax carryforwards, expiration | Dec. 31, 2027 | ||
| Federal [Member] | Employee Stock Option [Member] | |||
| Income Taxes [Line Items] | |||
| Deferred tax asset |
809us-gaap_DeferredTaxAssetsNet / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
||
| Federal [Member] | Research and Development [Member] | |||
| Income Taxes [Line Items] | |||
| Net operating loss tax carryforwards |
383us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember / us-gaap_TaxCreditCarryforwardAxis = us-gaap_ResearchMember |
||
| State [Member] | |||
| Income Taxes [Line Items] | |||
| Net operating loss tax carryforwards |
42,569us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
||
| Net operating loss tax carryforwards, expiration | Dec. 31, 2017 | ||
| State [Member] | Employee Stock Option [Member] | |||
| Income Taxes [Line Items] | |||
| Deferred tax asset |
501us-gaap_DeferredTaxAssetsNet / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
||
| State [Member] | Research and Development [Member] | |||
| Income Taxes [Line Items] | |||
| Net operating loss tax carryforwards |
$ 189us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember / us-gaap_TaxCreditCarryforwardAxis = us-gaap_ResearchMember |
||
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Tax year that remains open to examination under enacted tax laws, in CCYY format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Expiration date of each operating loss carryforward included in operating loss carryforward, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|