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9. EMPLOYEE AND DIRECTOR EQUITY INCENTIVE PLANS (Details Narrative) (USD $)
3 Months Ended 9 Months Ended
Mar. 31, 2015
Mar. 31, 2015
Mar. 31, 2014
Stock-based compensation recognized amount $ 302,908us-gaap_AllocatedShareBasedCompensationExpense $ 1,156,720us-gaap_AllocatedShareBasedCompensationExpense  
Stock options outstanding 1,664,778us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 1,664,778us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber  
Options to purchase shares granted to employee   420,500ZBB_OptionsToPurchaseSharesGranted 299,700ZBB_OptionsToPurchaseSharesGranted
Options to purchase shares granted to employee exercisable price   $0.48 to $1.67 $0.76 to $1.90
Options to purchase shares granted to employee vesting terms   from July 2014 through March 2018 from July 2013 through March 2017
Intrinsic value of outstanding options 10,860us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue 10,860us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue  
Intrinsic value of outstanding options price per share $ 0.57ZBB_IntrinsicValueOfOutstandingOptionsPricePerShare $ 0.57ZBB_IntrinsicValueOfOutstandingOptionsPricePerShare  
Fair value of options granted   249,419ZBB_FairValueOfOptionsGranted 207,789ZBB_FairValueOfOptionsGranted
Unrecognized compensation cost related to unvested stock options 413,603us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized 413,603us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized  
Unrecognized compensation cost recognition period   1 year 4 months 24 days  
Unvested RSUs outstanding 654,584ZBB_UnvestedRsusOutstanding 654,584ZBB_UnvestedRsusOutstanding  
Unvested RSUs outstanding vesting period   through January 15, 2016  
Unrecognized compensation cost related to unvested RSUs $ 275,052ZBB_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedRsu $ 275,052ZBB_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedRsu  
Restricted Stock Units (RSUs) [Member]      
Restricted stock units outstanding 2,067,494ZBB_RestrictedStockUnitsOutstanding
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
2,067,494ZBB_RestrictedStockUnitsOutstanding
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
 
Omnibus Plan [Member]      
Shares available for future grant 1,619,599us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= ZBB_OmnibusPlanMember
1,619,599us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= ZBB_OmnibusPlanMember
 
2012 Director Equity Plan [Member]      
Shares available for future grant 456,804us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= ZBB_TwoThousandTwelveDirectorEquityPlanMember
456,804us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= ZBB_TwoThousandTwelveDirectorEquityPlanMember