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Note 4 - Property and Equipment (Details) (USD $)
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12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Note 4 - Property and Equipment (Details) [Line Items] | |||
| Depreciation, Depletion and Amortization, Nonproduction | $ 398,970 | $ 336,885 | $ 246,331 |
| Property, Plant and Equipment, Gross | 2,486,144 | 2,023,000 | |
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Loaned Systems [Member]
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| Note 4 - Property and Equipment (Details) [Line Items] | |||
| Property, Plant and Equipment, Gross | 1,063,777 | 723,975 | |
| Property, Plant and Equipment, Useful Life | 5 years | ||
| Property, Plant and Equipment, Other, Accumulated Depreciation | $ 242,132 | $ 73,846 | |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cumulative amount of depreciation (related to capitalized assets classified as property, plant and equipment not otherwise defined in the taxonomy) that has been recognized in the income statement. No definition available.
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| X | ||||||||||
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- Definition
Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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