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Note 9 - 2012 Financing (Detail) - Interest expense to related party stockholders: (USD $)
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12 Months Ended |
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Dec. 31, 2012
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| Amortization of discount on notes payable to related-party stockholders | $ 318,000 |
| Total interest expense to related-party stockholders | 631,000 |
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Related Party Stockholders [Member]
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| Amortization of discount on notes payable to related-party stockholders | 318,000 |
| Interest expense to related-party stockholders | 160,000 |
| Appreciation in fair value of embedded derivative financial liability to related-party stockholders | 105,000 |
| Amortization expense of deferred financing costs | 48,000 |
| Total interest expense to related-party stockholders | $ 631,000 |
| X | ||||||||||
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- Definition
Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of noncash expense included in interest expense to allocate debt discount and premium, and the costs to issue debt and obtain financing over the related debt instruments. Alternate captions include noncash interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Increase in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cost of borrowed funds accounted for as interest that was charged against earnings during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of interest expense incurred during the period on a debt or other obligation to a related party. No definition available.
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