15. Income Taxes (Details-Deferred taxes) - USD ($) |
Mar. 31, 2015 |
Mar. 31, 2014 |
|---|---|---|
| Deferred tax assets: | ||
| Net operating loss carryforwards | $ 36,661,000 | $ 36,209,000 |
| Research and development tax credit carryforwards | 1,667,000 | 1,650,000 |
| Stock-based compensation | 4,880,000 | 3,941,000 |
| Reserves and accruals | 1,731,000 | 2,537,000 |
| Other deferred tax assets | 49,000 | 13,000 |
| State income taxes | (1,000) | (1,000) |
| Basis difference in assets | 5,000 | 35,000 |
| Total deferred tax assets | 44,992,000 | 44,384,000 |
| Deferred tax liabilities: | ||
| Unrealized gain on Ruthigen | (1,105,000) | (3,111,000) |
| Net deferred tax asset | 43,887,000 | 41,273,000 |
| Valuation allowance | (43,887,000) | (41,273,000) |
| 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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- References No definition available.
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, before jurisdictional netting. 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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- References No definition available.
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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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