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Federal Income Tax Provision Compared With Statutory Rates (Detail)
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12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Income Tax Disclosure [Abstract] | |||
| Statutory regular federal income tax rate | (34.00%)us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | (34.00%)us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | (34.00%)us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate |
| Change in valuation allowance | 37.40%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance | 27.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance | (13.00%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance |
| Tax return to prior year provision adjustments | (0.90%)us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes | 16.20%us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes | |
| Expiration of federal net operating losses | 28.20%biol_EffectiveIncomeTaxRateReconciliationFederalNetOperatingLossExpiration | ||
| Reduction of net operating loss attributes | (3.10%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsOther | (3.70%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsOther | |
| State tax benefit (net of federal benefit) | (3.30%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | (4.20%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | 4.10%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes |
| Research credits | (1.90%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch | (2.10%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch | |
| Foreign amounts with no tax benefit | (0.10%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential | (0.20%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential | (0.60%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential |
| Non-deductible expenses | 1.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense | 1.60%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense | 6.10%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense |
| Effect of change in rate | 2.30%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate | 14.20%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate | |
| Other | (0.80%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent | 0.30%us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent | 0.50%us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent |
| Total | 0.60%us-gaap_EffectiveIncomeTaxRateContinuingOperations | (1.40%)us-gaap_EffectiveIncomeTaxRateContinuingOperations | 3.80%us-gaap_EffectiveIncomeTaxRateContinuingOperations |
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- Definition
Effective income tax rate reconciliation federal net operating loss expiration. No definition available.
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- Definition
Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the income tax rates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other deductions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference, between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, that is attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority interest income (expense), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, change in enacted tax rate, prior year income taxes, change in deferred tax asset valuation allowance, and other adjustments. No definition available.
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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