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Stock Options and Warrants - Summary of Stock Option and Warrant Activity (Details) (USD $)
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3 Months Ended |
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Mar. 31, 2015
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |
| Number of Warrants, Outstanding, Beginning balance | 14,588,616us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber |
| Number of Warrants, Granted | |
| Number of Warrants, Exercised | |
| Number of Warrants, Forfeited | |
| Number of Warrants, Expired | (744,000)btzo_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod |
| Number of Warrants, Outstanding, Ending Balance | 13,844,616us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber |
| Number of Warrants, Exercisable, Ending Balance | 13,844,616btzo_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedExercisableNumber |
| Weighted Average Exercise Price Per Share, Outstanding Beginning Balance | $ 0.35btzo_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageExercisePricePerShare |
| Weighted Average Exercise Price Per Share, Granted | |
| Weighted Average Exercise Price Per Share, Exercised | |
| Weighted Average Exercise Price Per Share, Forfeited | |
| Weighted Average Exercise Price Per Share, Expired | $ 0.40btzo_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedExpiredWeightedAverageExercisePricePerShare |
| Weighted Average Exercise Price Per Share, Outstanding Ending Balance | $ 0.35btzo_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageExercisePricePerShare |
| Weighted Average Exercise Price Per Share, Exercisable Ending Balance | $ 0.35btzo_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedExercisableWeightedAverageExercisePricePerShare |
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- Definition
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercised In Period. No definition available.
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- Definition
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expired In Period. No definition available.
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- Definition
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Exercisable Number. No definition available.
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- Definition
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Exercisable Weighted Average Exercise Price Per Share. No definition available.
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- Definition
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Exercised Weighted Average Exercise Price Per Share. No definition available.
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- Definition
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Expired Weighted Average Exercise Price Per Share. No definition available.
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- Definition
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Forfeited Weighted Average Exercise Price Per Share. No definition available.
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- Definition
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Granted Weighted Average Exercise Price Per Share. No definition available.
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- Definition
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Exercise Price Per Share. No definition available.
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- Details
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- Definition
The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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