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11. Commitments and Contingencies (Details Narrative) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract] |  |  |
Rent expense | $ 82,376 us-gaap_LeaseAndRentalExpense | $ 201,500 us-gaap_LeaseAndRentalExpense | $ 210,635 us-gaap_LeaseAndRentalExpense
Sublease income | 795 us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue | 11,085 us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue |
Rent expense net of sublease income | $ 81,851 zero_RentExpenseNetOfSubleaseIncome | $ 160,535 zero_RentExpenseNetOfSubleaseIncome |

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- Details
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Balance Type: | na
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Definition The amount of revenue recognized for the period under subleasing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6584307&loc=d3e41620-112719 + Details
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- Definition Rent expense net of sublease income + References No definition available. + Details
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