XML 32 R56.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Fair Value Measurements (Details) - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Interest Rate Derivative Liabilities, at Fair Value Disclosure | $ 289 | $ 295
Fair Value, Inputs, Level 1 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Interest Rate Derivative Liabilities, at Fair Value Disclosure | 0 | 0
Fair Value, Inputs, Level 2 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Interest Rate Derivative Liabilities, at Fair Value Disclosure | 289 | 295
Fair Value, Inputs, Level 3 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Interest Rate Derivative Liabilities, at Fair Value Disclosure | 0 | 0
Money market mutual funds [Member] |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 15,722 | 6,824
Money market mutual funds [Member] | Fair Value, Inputs, Level 1 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 15,722 | 6,824
Money market mutual funds [Member] | Fair Value, Inputs, Level 2 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 0 | 0
Money market mutual funds [Member] | Fair Value, Inputs, Level 3 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 0 | 0
Government agency bonds [Member] |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 1,503 | 3,502
Government agency bonds [Member] | Fair Value, Inputs, Level 1 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 1,503 | 3,502
Government agency bonds [Member] | Fair Value, Inputs, Level 2 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 0 | 0
Government agency bonds [Member] | Fair Value, Inputs, Level 3 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 0 | 0
US Treasury Securities |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 1,003 | 4,006
US Treasury Securities | Fair Value, Inputs, Level 1 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 1,003 | 4,006
US Treasury Securities | Fair Value, Inputs, Level 2 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 0 | 0
US Treasury Securities | Fair Value, Inputs, Level 3 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 0 | 0
Municipal Bonds [Member] |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure |  | 1,359
Municipal Bonds [Member] | Fair Value, Inputs, Level 1 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure |  | 0
Municipal Bonds [Member] | Fair Value, Inputs, Level 2 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure |  | 1,359
Municipal Bonds [Member] | Fair Value, Inputs, Level 3 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure |  | 0
Corporate notes [Member] |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 2,529 | 4,667
Corporate notes [Member] | Fair Value, Inputs, Level 1 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 2,529 | 4,667
Corporate notes [Member] | Fair Value, Inputs, Level 2 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 0 | 0
Corporate notes [Member] | Fair Value, Inputs, Level 3 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 0 | 0
Certificates of Deposit |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 5,842 | 4,155
Certificates of Deposit | Fair Value, Inputs, Level 1 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 5,842 | 4,155
Certificates of Deposit | Fair Value, Inputs, Level 2 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | 0 | 0
Certificates of Deposit | Fair Value, Inputs, Level 3 |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Assets, Fair Value Disclosure | $ 0 | $ 0

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611 + Details
Name: | us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=us-gaap_MunicipalBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=us-gaap_CommercialPaperMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=us-gaap_CertificatesOfDepositMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |