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Warrants And Derivative Liabilities (Tables) | 12 Months Ended
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Mar. 31, 2013
Schedule Of Fair Value Assumptions Used To Calculate The Value Of The Convertible Note Derivative Feature |
|  |  |  |  |  |  |  | Post-modification |  |  | Pre-modification |  |  |  |  |  |  |  |  |  |
|  | March 31, |  |  | December 31, |  |  | December 20, |  |  | December 20, |  |  | September 30, |  |  | June 30, |  |  | April 4, |
|  | 2013 |  |  | 2012 |  |  | 2012 |  |  | 2012 |  |  | 2012 |  |  | 2012 |  |  | 2012 |
Stock Price | $ | 2.67 |  | $ | 2.62 |  | $ | 2.95 |  | $ | 2.95 |  | $ | 4.15 |  | $ | 4.68 |  | $ | 3.97 |
Percentage Volume Condition Met |  | 80.5 | % |  | 94.5 |  |  | 94.9 | % |  | 28.6 | % |  | 51.0 | % |  | 75.2 | % |  | 85.9 | %
Expected Volatility |  | 66.9 | % |  | 73.5 |  |  | 72.5 | % |  | 72.5 | % |  | 70.0 | % |  | 71.0 | % |  | 75.0 | %
Risk Free Rate |  | 0.20 | % |  | 0.23 |  |  | 0.25 | % |  | 0.25 | % |  | 0.23 | % |  | 0.33 | % |  | 0.44 | %
Bond Yield |  | 16.5 | % |  | 16.5 |  |  | 16.5 | % |  | 16.5 | % |  | 15.0 | % |  | 16.0 | % |  | 15.0 | %
Recovery Rate |  | 30.0 | % |  | 30.0 |  |  | 30.0 | % |  | 30.0 | % |  | 30.0 | % |  | 30.0 | % |  | 30.0 | %
Redeemable |  | yes |  |  | yes |  |  | yes |  |  | yes |  |  | yes |  |  | yes |  |  | yes |
Total Time (years) |  | 1.51 |  |  | 1.76 |  |  | 1.79 |  |  | 1.79 |  |  | 2.01 |  |  | 2.28 |  |  | 2.5 |
Dilution Effect |  | yes |  |  | yes |  |  | yes |  |  | yes |  |  | yes |  |  | yes |  |  | yes |
Indicated Percent of Par |  | 70.0 | % |  | 98.0 | % |  | 119.0 | % |  | 99.0 | % |  | 108.0 | % |  | 121.0 | % |  | 117.0 | %
Fair Value | $ | 0.5 million |  | $ | 1.0 million |  | $ | 1.5 million |  | $ | 0.9 million |  | $ | 2.8 million |  | $ | 4.5 million |  | $ | 3.8 million |
Securities Purchase Agreement [Member] |
Schedule Of The Fair Value Of The Warrants Using The Black-Scholes Option Pricing Model |
|  | March 31, |  |  | December 31, |  |  | September 30, |  |  | June 30, |  |  | April 4, |
|  | 2013 |  |  | 2012 |  |  | 2012 |  |  | 2012 |  |  | 2012 |
Risk-free interest rate |  | 0.67 | % |  | 0.75 | % |  | 0.63 | % |  | 0.77 | % |  | 1.19 | %
Expected annual dividend yield |  | 0.0 | % |  | 0.0 | % |  | 0.0 | % |  | 0.0 | % |  | 0.0 | %
Expected volatility |  | 71.7 | % |  | 80.6 | % |  | 80.9 | % |  | 80.8 | % |  | 80.0 | %
Term (years) |  | 4.51 |  |  | 4.76 |  |  | 5.01 |  |  | 5.28 |  |  | 5.5 |
Fair Value | $ | 3.4 million |  | $ | 4.4 million |  | $ | 7.1 million |  | $ | 8.6 million |  | $ | 7.0 million |
Loan And Security Agreement [Member] |
Schedule Of The Fair Value Of The Warrants Using The Black-Scholes Option Pricing Model |
|  | March 31, |  |  | December 31, |  |  | September 30, |  |  | June 30, |  |  | June 5, |
|  | 2013 |  |  | 2012 |  |  | 2012 |  |  | 2012 |  |  | 2012 |
Risk-free interest rate |  | 0.7 | % |  | 0.75 | % |  | 0.64 | % |  | 0.80 | % |  | 0.77 | %
Expected annual dividend yield |  | - | % |  | - | % |  | - | % |  | - | % |  | - | %
Expected volatility |  | 72.01 | % |  | 80.14 | % |  | 81.18 | % |  | 80.32 | % |  | 79.99 | %
Term (years) |  | 4.68 |  |  | 4.93 |  |  | 5.18 |  |  | 5.44 |  |  | 5.5 |
Fair Value | $ | 0.2 million |  | $ | 0.2 million |  | $ | 0.4 million |  | $ | 0.5 million |  | $ | 0.4 million |

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- Definition Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 14 -Subparagraph a -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 18 -Subparagraph c(2), d, e, f -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 Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15 -Subparagraph b-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 Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13467-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 19 -Subparagraph a, b, c(1), d(1) -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 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph a, c(1), c(2), c(3), 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 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -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 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13476-108611 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 + Details
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- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41638-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41678-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(n)(2)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41620-113959 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41641-113959 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579240-113959 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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