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Accrued Liabilities and Other (Schedule of Accrued Liabilities) (Details) (USD $)
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Dec. 31, 2014
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Dec. 31, 2013
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| Accounts Payable and Accrued Liabilities [Abstract] | ||
| Contracted services | $ 1,880,376navb_AccruedLiabilitiesContractedServices | $ 3,325,391navb_AccruedLiabilitiesContractedServices |
| Compensation | 979,296us-gaap_EmployeeRelatedLiabilitiesCurrent | 1,124,976us-gaap_EmployeeRelatedLiabilitiesCurrent |
| Accrued interest | 213,457navb_AccruedInterest | 204,792navb_AccruedInterest |
| Other | 160,991us-gaap_OtherAccruedLiabilitiesCurrent | 117,804us-gaap_OtherAccruedLiabilitiesCurrent |
| Accrued liabilities and other, Total | $ 3,234,120us-gaap_AccruedLiabilitiesAndOtherLiabilities | $ 4,772,963us-gaap_AccruedLiabilitiesAndOtherLiabilities |
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- Definition
Accrued Liabilities - Interest No definition available.
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- Definition
Accrued Liabilities Contracted Services. No definition available.
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- Details
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- Definition
Amount of obligations incurred and payable, pertaining to costs that are statutory in nature, incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include, but not limited to, taxes, interest, rent and utilities. Also includes the aggregate carrying amount of liabilities not separately disclosed. No definition available.
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- Definition
Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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