v2.4.1.9

Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Assets:
Cash and cash equivalents	$ 3,970us-gaap_CashAndCashEquivalentsAtCarryingValue	$ 1,034us-gaap_CashAndCashEquivalentsAtCarryingValue	$ 4,717us-gaap_CashAndCashEquivalentsAtCarryingValue
Marketable securities	1,975us-gaap_MarketableSecurities
Total assets	5,945us-gaap_AssetsFairValueDisclosure	1,034us-gaap_AssetsFairValueDisclosure
Liabilities:
Warrants potentially settleable in cash	8,464us-gaap_WarrantsNotSettleableInCashFairValueDisclosure
Derivative liability	8,464us-gaap_DerivativeLiabilities	23us-gaap_DerivativeLiabilities
Total liabilities	8,464us-gaap_LiabilitiesFairValueDisclosure	23us-gaap_LiabilitiesFairValueDisclosure
Fair Value, Inputs, Level 1
Assets:
Cash and cash equivalents	3,970us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member	1,034us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Total assets	3,970us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member	1,034us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Liabilities:
Warrants potentially settleable in cash
Total liabilities
Fair Value, Inputs, Level 2
Assets:
Cash and cash equivalents
Marketable securities	1,975us-gaap_MarketableSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Total assets	1,975us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Liabilities:
Warrants potentially settleable in cash
Derivative liability
Total liabilities
Fair Value, Inputs, Level 3
Assets:
Cash and cash equivalents
Marketable securities
Total assets
Liabilities:
Warrants potentially settleable in cash	8,464us-gaap_WarrantsNotSettleableInCashFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Derivative liability		23us-gaap_DerivativeLiabilities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Total liabilities	$ 8,464us-gaap_LiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member	$ 23us-gaap_LiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Fair value of financial and nonfinancial obligations.

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Total debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale.

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Fair value portion of warrants not settleable in cash classified as equity.

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