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13. FAIR VALUE MEASUREMENTS | 12 Months Ended
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Mar. 31, 2012
Fair Value Disclosures [Text Block] | 13. FAIR VALUE MEASUREMENTS We follow FASB ASC 820, "FAIR VALUE MEASUREMENTS AND DISCLOSURES" (“ASC 820”) in connection with financial assets and liabilities measured at fair value on a recurring basis subsequent to initial recognition. ASC 820 requires that assets and liabilities carried at fair value will be classified and disclosed in one of the following three categories: Level 1: Quoted market prices in active markets for identical assets or liabilities. Level 2: Observable market based inputs or unobservable inputs that are corroborated by market data. Level 3: Unobservable inputs that are not corroborated by market data. The hierarchy noted above requires us to minimize the use of unobservable inputs and to use observable market data, if available, when determining fair value. The fair value of our recorded derivative liabilities is determined based on unobservable inputs that are not corroborated by market data, which is a Level 3 classification. We record derivative liabilities on our balance sheet at fair value with changes in fair value recorded in our consolidated statements of operations. Our fair value measurements at the reporting date were as follows: At March 31, 2012:
Description |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Derivative Liabilities |  | $ | -- |  |  | $ | -- |  |  | $ | 3,588,615 |
Total Assets |  | $ | -- |  |  | $ | -- |  |  | $ | 3,588,615 |
At March 31, 2011:
Description |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Derivative Liabilities |  | $ | -- |  |  | $ | -- |  |  | $ | 2,002,896 |
Total Assets |  | $ | -- |  |  | $ | -- |  |  | $ | 2,002,896 |
Prior to the third fiscal quarter ended December 31, 2010 (“Q3 2011”), the fair value estimate relating to an aggregate of 25,066,944 warrants classified as derivative liabilities had been based on a Black-Scholes valuation model. During Q3 2011, we changed to a binomial lattice model for valuation of these warrants as we determined that use of a binomial lattice model was more representative of fair value in the circumstances. In accordance with accounting guidance in ASC 820-10, Fair Value Measurements and Disclosures, this was accounted for as a change in accounting estimate. The following outlines the significant weighted average assumptions used to estimate the fair value information presented, in connection with our April 2011 convertible note, July & August 2011 10% convertible notes and the September 2011 convertible note offerings and with respect to warrant and embedded conversion option derivative instruments utilizing the Binomial Lattice option pricing model:
| Fiscal Year Ended March 31, 2012
Risk free interest rate | 0.10% - 2.24%
Average expected life | 1 - 5 years
Expected volatility | 52.1% - 90.5%
Expected dividends | None
The table below sets forth a summary of changes in the fair value of our Level 3 financial instruments for the year ended March 31, 2012:
|  | April 1, 2011 |  |  | Recorded New Derivative Liabilities |  |  | Change in estimated fair value recognized in results of operations |  |  | March 31, 2012 |
Derivative liabilities |  | $ | 2,002,896 |  |  | $ | 2,352,622 |  |  | $ | ( 766,903 | ) |  | $ | 3,588,615 |
The fair value of derivative liabilities that we recorded in the fiscal year ended March 31, 2012 was related to our April 2011 convertible note, July & August 2011 10% convertible notes and the September 2011 convertible note offerings (see Note 5) and was based upon an independent valuation report. The table below sets forth a summary of changes in the fair value of our Level 3 financial instruments for the year ended March 31, 2011:
|  | April 1, 2010 |  |  | Recorded New Derivative Liabilities |  |  | Change in estimated fair value recognized in results of operations |  |  | March 31, 2011 |
Derivative liabilities |  | $ | 1,054,716 |  |  | $ | 7,027,952 |  |  | $ | ( 6,079,772 | ) |  | $ | 2,002,896 |
The fair value of derivative liabilities that we recorded in the fiscal year ended March 31, 2011 was related to the restructuring of the Amended and Restated Convertible Notes and to the restructurings of our February 2010 Convertible Note and to the embedded derivatives and associated warrants related to a number of our convertible note offerings (see Note 5) and was based upon an independent valuation report.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13504-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15C, 15D -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44A, 44B -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15A -Subparagraph a-d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 3, 10, 14, 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 17-22, 27, 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15B -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. 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Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 + Details
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