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Lines of Credit and Long Term Debt - Components of Long Term Debt (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2015
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Dec. 31, 2014
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| Debt Instrument [Line Items] | ||
| Long-term debt | $ 9,726us-gaap_LongTermDebt | $ 10,369us-gaap_LongTermDebt |
| Current portion of long term debt | 1,426us-gaap_LongTermDebtCurrent | 1,675us-gaap_LongTermDebtCurrent |
| Long term debt, net of current portion | 8,300us-gaap_LongTermDebtNoncurrent | 8,694us-gaap_LongTermDebtNoncurrent |
| Notes payable | ||
| Debt Instrument [Line Items] | ||
| Long-term debt | 7,360us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
7,653us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
| Royalty-based financing | ||
| Debt Instrument [Line Items] | ||
| Long-term debt | 1,868us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = xon_RoyaltybasedFinancingMember |
1,926us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = xon_RoyaltybasedFinancingMember |
| Other | ||
| Debt Instrument [Line Items] | ||
| Long-term debt | $ 498us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = xon_OtherLongTermDebtMember |
$ 790us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = xon_OtherLongTermDebtMember |
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- Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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