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v2.4.1.9

Income Taxes - Net deferred tax assets (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Current deferred tax assets: |  |
Vacation accrual | $ 25 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences | $ 27 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences
Total current deferred tax assets | 25 us-gaap_DeferredTaxAssetsGrossCurrent | 27 us-gaap_DeferredTaxAssetsGrossCurrent
Valuation allowance | (25)us-gaap_DeferredTaxAssetsValuationAllowanceCurrent | (27)us-gaap_DeferredTaxAssetsValuationAllowanceCurrent
Net current deferred tax assets | 0 us-gaap_DeferredTaxAssetsNetCurrent | 0 us-gaap_DeferredTaxAssetsNetCurrent
Noncurrent deferred tax assets: |  |
Net operating loss carryforwards | 42,135 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration | 39,799 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration
Charitable contribution carryforwards | 410 us-gaap_DeferredTaxAssetsCharitableContributionCarryforwards | 371 us-gaap_DeferredTaxAssetsCharitableContributionCarryforwards
Research and experimentation credits | 991 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch | 820 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch
Capitalized intangibles | 741 us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets | 3,351 us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets
Stock based compensation | 158 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost | 454 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
Depreciation and amortization | 2 us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment | 5 us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment
Total noncurrent deferred tax assets | 44,437 us-gaap_DeferredTaxAssetsGrossNoncurrent | 44,800 us-gaap_DeferredTaxAssetsGrossNoncurrent
Valuation allowance | (44,437)us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent | (44,800)us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent
Net noncurrent deferred tax assets | 0 us-gaap_DeferredTaxAssetsNetNoncurrent | 0 us-gaap_DeferredTaxAssetsNetNoncurrent
Net noncurrent deferred tax assets | $ 0 us-gaap_DeferredTaxAssetsLiabilitiesNet | $ 0 us-gaap_DeferredTaxAssetsLiabilitiesNet

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- Definition Amount after allocation of valuation allowances of noncurrent deferred tax asset attributable to deductible temporary differences and carryforwards. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31917-109318 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31931-109318 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31928-109318 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31958-109318 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensated absences (includes, but not limited to, sick and personal days). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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