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Note 2 - Summary of Significant Accounting Policies (Detail) (USD $)
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9 Months Ended | |
|---|---|---|
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Sep. 30, 2012
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Sep. 30, 2011
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| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate | 0.00% | |
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Privately-Held Equity Securities [Member] | Minimum [Member]
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| Fair Value Inputs, Discount Rate | 22.00% | |
| Fair Value Inputs, Discount for Lack of Marketability | 15.00% | |
| Fair Value Inputs, Discount Rate for Lack of Control | 20.00% | |
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Privately-Held Equity Securities [Member] | Maximum [Member]
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| Fair Value Inputs, Discount Rate | 35.00% | |
| Fair Value Inputs, Discount for Lack of Marketability | 35.00% | |
| Fair Value Inputs, Discount Rate for Lack of Control | 30.00% | |
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ClearPoint System Reusable Components [Member]
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| Revenue, Net (in Dollars) | $ 118,000 | $ 435,000 |
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Development Services [Member]
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| Revenue, Net (in Dollars) | 404,000 | |
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Development Services for Other Third Parties [Member]
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| Revenue, Net (in Dollars) | $ 10,000 | |
| X | ||||||||||
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- Definition
Adjustment to the discount rate used to measure fair value for lack of control. No definition available.
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| X | ||||||||||
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- Definition
Adjustment to the discount rate used to measure fair value for lack of ability to convert business interests into cash quickly. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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