Annual report pursuant to Section 13 and 15(d)

Notes Payable (Revolving Credit Agreement) (Details)

v2.4.1.9
Notes Payable (Revolving Credit Agreement) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
0 Months Ended 12 Months Ended
Oct. 19, 2007
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Debt Instrument [Line Items]        
Fair value of notes payable   $ 53,102us-gaap_NotesPayableFairValueDisclosure $ 60,182us-gaap_NotesPayableFairValueDisclosure  
Revolving Credit Facility        
Debt Instrument [Line Items]        
Maximum borrowing capacity 40,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
     
Interest rate during period 11.00%us-gaap_LineOfCreditFacilityInterestRateDuringPeriod
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
     
Extinguishment of debt   39,300us-gaap_ExtinguishmentOfDebtAmount
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
   
Amount outstanding   0us-gaap_LineOfCreditFacilityAmountOutstanding
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
0us-gaap_LineOfCreditFacilityAmountOutstanding
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
 
Interest expense   364us-gaap_InterestExpenseDebt
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
1,757us-gaap_InterestExpenseDebt
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
3,302us-gaap_InterestExpenseDebt
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
Number of securities called by warrants 2,000,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
     
Exercise price 1.91us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
     
Debt issuance cost $ 3,200us-gaap_DebtIssuanceCosts
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember