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15. Income Taxes (Details-Deferred taxes) (USD $)
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Mar. 31, 2014
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Mar. 31, 2013
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| Deferred tax assets: | ||
| Net operating loss carryforwards | $ 36,209,000 | $ 34,880,000 |
| Research and development tax credit carryforwards | 1,650,000 | 1,646,000 |
| Stock-based compensation | 3,941,000 | 3,727,000 |
| Reserves and accruals | 2,537,000 | 1,404,000 |
| Other deferred tax assets | 13,000 | 13,000 |
| State income taxes | (1,000) | 1,000 |
| Basis difference in assets | 35,000 | 37,000 |
| Total deferred tax assets | 44,384,000 | 41,708,000 |
| Deferred tax liabilities: | ||
| Unrealized gain on Ruthigen | (3,111,000) | 0 |
| Net deferred tax asset | 41,273,000 | 41,708,000 |
| Valuation allowance | (41,273,000) | (41,708,000) |
| Net deferred tax asset | $ 0 | $ 0 |
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from state taxes. No definition available.
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from other provisions, reserves, allowances, and accruals not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences from unrealized gains in other comprehensive income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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