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14. Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2013
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Mar. 31, 2012
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|---|---|---|
| Deferred tax assets: | ||
| Net operating loss carryforwards | $ 34,880 | $ 34,966 |
| Research and development tax credit carryforwards | 1,646 | 1,470 |
| Stock-based compensation | 3,727 | 3,319 |
| Reserves and accruals | 1,404 | 1,511 |
| Other deferred tax assets | 13 | 27 |
| State Income Taxes | 1 | 0 |
| Basis difference in assets | 37 | 24 |
| Total deferred tax assets | 41,708 | 41,317 |
| Deferred tax liabilities: | ||
| Basis difference in assets | 0 | 0 |
| Net deferred tax asset | 41,708 | 41,317 |
| Valuation allowance | (41,708) | (41,317) |
| 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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 property, plant, and equipment. No definition available.
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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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| X | ||||||||||
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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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| X | ||||||||||
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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 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 property, plant, and equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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