Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Information [Table] Class of Stock [Axis] Class of Stock [Domain] Document Information [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Trading Symbol Entity Common Stock, Shares Outstanding Entity Emerging Growth Company Entity Small Business Statement of Financial Position [Abstract] Statement [Table] Statement [Line Items] Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents - beginning of period Cash and cash equivalents - end of period Accounts Receivable, Net, Current Accounts receivable, net Inventory, Net Inventories, net Total Costs in Excess of Billings, Current Costs and estimated earnings in excess of billings Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Assets, Current Total current assets Assets, Noncurrent [Abstract] Long-term assets: Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Equity Method Investments Investment in investee company Goodwill Goodwill Operating Lease, Right-of-Use Asset Right of use assets-operating leases Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Equity [Abstract] Liabilities and Equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Billings in Excess of Cost, Current Billings in excess of costs and estimated earnings Accrued Liabilities, Current Accrued expenses Total Liabilities, Current Total current liabilities Liabilities, Noncurrent [Abstract] Long-term liabilities: Long-term Debt, Excluding Current Maturities Long-term debt Deferred Revenue, Noncurrent Deferred revenue Long-term deferred revenue for extended warranty contracts Liabilities, Other than Long-term Debt, Noncurrent Other long-term liabilities Liabilities Total liabilities Stockholders' Equity Attributable to Parent [Abstract] Equity Preferred Stock, Value, Issued Series B redeemable convertible preferred stock ($0.01 par value, $1,000 face value), 3,000 shares authorized and issued, 2,300 shares outstanding Series C convertible preferred stock ($0.01 par value, $1,000 face value), 28,048 and 0 shares authorized, issued, and outstanding, preference in liquidation of $12,719,260 and $0 as of June 30, 2016 and June 30, 2015, respectively Series C convertible preferred stock ($0.01 par value, $1,000 face value), 28,048 shares authorized, issued, and outstanding It represents preferred C stock value. Common Stock, Value, Issued Common stock ($0.01 par value), 300,000,000 authorized, 68,014,385 and 56,609,115 shares issued and outstanding as of September 30, 2018 and June 30, 2018, respectively Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Stockholders' Equity Attributable to Parent Total EnSync, Inc. equity Balance Balance Stockholders' Equity Attributable to Noncontrolling Interest Noncontrolling interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total equity Total equity Liabilities and Equity Total liabilities and equity Commitments and Contingencies Commitments and contingencies Series B Preferred Stock [Member] Series B Redeemable Convertible Preferred Stock [Member] Series C Preferred Stock [Member] Series C Convertible Preferred Stock [Member] Preferred Stock, Par or Stated Value Per Share Preferred stock, par value Preferred Stock, Value, Outstanding Preferred stock, face value Preferred Stock, Shares Authorized Preferred stock, authorized shares Preferred Stock, Shares Issued Preferred stock, issued shares Preferred Stock, Shares Outstanding Preferred stock, outstanding shares Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common stock, Authorized Common Stock, Shares, Issued Common stock, Issued Common Stock, Shares, Outstanding Common stock, outstanding Income Statement [Abstract] Costs and Expenses [Abstract] Costs and expenses Cost of Goods and Services Sold Cost of sales Research and Development Expense Advanced engineering and development Selling, General and Administrative Expense Selling, general and administrative Depreciation, Depletion and Amortization Depreciation and amortization Impairment of Long-Lived Assets to be Disposed of Impairment of long-lived assets Costs and Expenses Total costs and expenses Operating Income (Loss) Loss from operations Nonoperating Income (Expense) [Abstract] Other income (expense) Income (Loss) from Equity Method Investments Equity in loss of investee company Equity in loss of investee company Investment Income, Interest Interest income Interest Expense Interest expense Other Nonoperating Income (Expense) Other income Nonoperating Income (Expense) Total other income (expense) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss before benefit for income taxes Income Tax Expense (Benefit) Benefit for income taxes Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Net loss Net loss Net Income (Loss) Attributable to Noncontrolling Interest Net loss attributable to noncontrolling interest Net loss attributable to noncontrolling interest Net Income (Loss) Attributable to Parent Net loss attributable to EnSync, Inc. Net loss Net Loss Dividends, Preferred Stock Preferred stock dividend Net Income (Loss) Available to Common Stockholders, Basic Net loss attributable to common shareholders Revenues Revenues Earnings Per Share, Basic and Diluted [Abstract] Net loss per share Earnings Per Share, Basic and Diluted Basic and diluted Weighted Average Number of Shares Outstanding, Basic and Diluted Weighted average shares - basic and diluted Statement of Comprehensive Income [Abstract] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign exchange translation adjustments Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss attributable to EnSync, Inc. Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Accumulated Deficit [Member] AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Loss [Member] Noncontrolling Interest [Member] Noncontrolling Interest [Member] Shares, Outstanding Balance (Shares) Balance (Shares) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Net currency translation adjustment Stock Issued During Period, Value, New Issues Issuance of common stock, net of costs Stock Issued During Period, Shares, New Issues Issuance of common stock, net of costs (Shares) Proceeds from Noncontrolling Interests Contribution of capital from noncontrolling interest Contribution of capital from noncontrolling interest Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock-based compensation Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Stock-based compensation (Shares) Statement of Cash Flows [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Increase (Decrease) in Operating Capital [Abstract] Changes in assets and liabilities Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventories Increase (Decrease) in Cost in Excess of Billing on Uncompleted Contract Costs and estimated earnings in excess of billings Increase (Decrease) in Prepaid Expense and Other Assets Prepaids and other current assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Billing in Excess of Cost of Earnings Billings in excess of costs and estimated earnings Increase (Decrease) in Accrued Liabilities Accrued expenses Increase (Decrease) in Deferred Revenue Deferred revenue Deferred revenue for new extended warranty contracts Depreciation Depreciation of property, plant and equipment Share-based Compensation Stock-based compensation, net Inventory Write-down Provision for inventory reserve Gain (Loss) on Disposition of Property Plant Equipment Gain on sale of property, plant and equipment Interest and Dividend Income, Securities, Operating, Other Interest accreted on note receivable Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities Payments to Acquire Property, Plant, and Equipment Expenditures for property and equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale of property, plant and equipment Proceeds from Sale of Loans Receivable Payments from note receivable Net Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities Repayments of Long-term Debt Repayments of long term debt Proceeds from Issuance of Common Stock Net proceeds from issuance of common stock Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Supplemental Cash Flow Information [Abstract] Supplemental disclosures of cash flow information: Interest Paid, Net Cash paid for interest Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental noncash information: Right of use asset obtained in exchange for new operating lease Right of use asset obtained in exchange for new operating lease It represents right of use asset obtained in exchange for new operating lease. Cash and Cash Equivalents, Period Increase (Decrease) Net decrease in cash and cash equivalents Accounting Policies [Abstract] Significant Accounting Policies [Text Block] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Organization, Consolidation and Presentation of Financial Statements [Abstract] Substantial Doubt about Going Concern [Text Block] MANAGEMENT'S PLANS AND FUTURE OPERATIONS Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures Disclosure [Text Block] CHINA JOINT VENTURE Inventory Disclosure [Abstract] Inventory Disclosure [Text Block] INVENTORIES Property, Plant and Equipment [Abstract] Property, Plant and Equipment Disclosure [Text Block] PROPERTY & EQUIPMENT Payables and Accruals [Abstract] Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] ACCRUED EXPENSES Debt Disclosure [Abstract] Debt Disclosure [Text Block] LONG-TERM DEBT Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] EMPLOYEE AND DIRECTOR EQUITY INCENTIVE PLANS Stockholders' Equity Note [Abstract] WARRANTS WARRANTS The entire disclosure for warrants, including all tables. Earnings Per Share [Abstract] Earnings Per Share [Text Block] BASIC AND DILUTED NET LOSS PER SHARE Equity [Abstract] Stockholders' Equity Note Disclosure [Text Block] EQUITY Commitments and Contingencies Disclosure [Abstract] Commitments Disclosure [Text Block] COMMITMENTS Retirement Benefits [Abstract] Compensation and Employee Benefit Plans [Text Block] RETIREMENT PLANS Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] INCOME TAXES Business Description and Basis of Presentation [Text Block] Description of Business Comparability of Prior Year Financial Data, Policy [Policy Text Block] Interim Financial Data Basis of Accounting, Policy [Policy Text Block] Basis of Presentation and Consolidation Use of Estimates, Policy [Policy Text Block] Use of Estimates Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Receivables, Policy [Policy Text Block] Accounts Receivable Inventory, Policy [Policy Text Block] Inventories Costs in Excess of Billings and Billings in Excess of Costs [Policy Text Block] Costs and Estimated Earnings in Excess of Billings/Billings in Excess of Costs and Estimated Earnings Disclosure of accounting policy for billings on uncompleted contracts in excess of costs and costs of uncompleted contracts in excess of billings. Property, Plant and Equipment, Policy [Policy Text Block] Property, Plant and Equipment Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Impairment of Long-Lived Assets Equity Method Investments [Policy Text Block] Investment in Investee Company Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Goodwill Guarantees, Indemnifications and Warranties Policies [Policy Text Block] Warranty Obligations Revenue Recognition, Policy [Policy Text Block] Revenue Recognition Research and Development Expense, Policy [Policy Text Block] Advanced Engineering and Development Expenses Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Stock-Based Compensation Income Tax, Policy [Policy Text Block] Income Taxes Foreign Currency Transactions and Translations Policy [Policy Text Block] Foreign Currency Earnings Per Share, Policy [Policy Text Block] Loss per Share Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentrations of Credit Risk Reclassifications [Text Block] Reclassifications Segment Reporting, Policy [Policy Text Block] Segment Information New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Pronouncements Depreciation, Depletion, and Amortization [Policy Text Block] Estimated Useful Lives Used For Each Class of Depreciable Assets Schedule of Product Warranty Liability [Table Text Block] Schedule Of Accrued Warranty Liability Deferred Revenue, by Arrangement, Disclosure [Table Text Block] Deferred Revenue, by Arrangement, Disclosure Schedule Of Related Party Sales And Purchase Activity [Table Text Block] Schedule of Related Party Sales and Purchase Activity The tabular disclosure of sale and purchase transactions between the related parties. Schedule of Related Party Transactions [Table Text Block] Schedule of Related Party Transactions Equity Method Investments [Table Text Block] Equity Method Investments Schedule of Inventory, Current [Table Text Block] Inventories Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment Schedule of Accrued Liabilities [Table Text Block] ACCRUED EXPENSES Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule Of Share Based Compensation Stock Options Activity Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Disclosure Of Share Based Compensation Arrangements By Share Based Payment Award Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block] Schedule Of Unrecognized Compensation Cost Nonvested Awards Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Schedule Of Share Based Compensation Restricted Stock Units Award Activity WARRANTS [Abstract] Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Schedule of Stockholders' Equity Note, Warrants or Rights Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Information about operating leases Summary Of Weighted average Discount Rate For Finance And Operating Leases A table of weighted average discount rate for finance and operating leases, shown as a text block. Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule Of Future Minimum Rental Payments For Operating Leases Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] ManufacturingEquipment [Member] Manufacturing Equipment [Member] Office Equipment [Member] Office Equipment [Member] Building and Building Improvements [Member] Building and improvements [Member] Property, Plant and Equipment, Useful Life Range [Axis] Range [Domain] Maximum [Member] Minimum [Member] Standard and Extended Product Warranty Accrual Beginning balance Ending balance Standard and Extended Product Warranty Accrual, Increase for Warranties Issued Accruals for warranties Standard and Extended Product Warranty Accrual, Decrease for Payments Net settlements Standard and Extended Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties Adjustments relating to preexisting warranties Deferred Revenue Arrangement, by Type [Table] Deferred Revenue Arrangement Type [Axis] Deferred Revenue [Domain] Loan Restructuring Modification [Axis] Loan Restructuring Modification [Domain] Extended Maturity [Member] Extended Warranty Contracts [Member] Deferred Revenue Arrangement [Line Items] Deferred Revenue Beginning balance Ending balance Deferred Revenue, Revenue Recognized Deferred revenue recognized Deferred Revenue, Current Less: current portion of deferred revenue for extended warranty contracts Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Sales Revenue, Net [Member] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Customer One Concentration Risk [Member] Investment Contract Counterparty [Axis] Investment Contract Counterparty [Domain] Investee Company's [Member] Project [Axis] Project [Domain] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Scenario [Axis] Scenario, Unspecified [Domain] Concentration Risk, Percentage Equity Method Investment, Ownership Percentage Proceeds from Sale of Buildings Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property ChinaJointVentureDetailsNarrativeAbstract Segments [Axis] Segments [Domain] Segment [domain] Meineng Energy [Member] Revenue from Related Parties Product sales to Meineng Energy Costs and Expenses, Related Party Cost of product sales to Meineng Energy Related Party Transaction, Purchases from Related Party Product purchases from Meineng Energy Due to Affiliate Net amount due to Meineng Energy China Joint Venture Details 1 Equity Method Investment, Summarized Financial Information, Revenue Revenues Equity Method Investment, Summarized Financial Information, Gross Profit (Loss) Gross profit (loss) Income (loss) from operations Loss from operations It represents Income (loss) from operations. Equity Method Investment, Summarized Financial Information, Net Income (Loss) Net loss Related Party Transactions [Abstract] Legal Entity [Axis] Entity [Domain] Anhui Meineng Store Energy Co Ltd [Member] Holdco [Member] Ensync Inc [Member] Related Party [Axis] Related Party [Domain] Chief Executive Officer [Member] Power Sav [Member] Payments to Acquire Interest in Joint Venture Gain (Loss) on Investments Contribution Of Technology Upon License Agreement Value stands for technology which is contributed upon license agreement. Basis In The Technology Conributed Related To Research And Development Expenditures Basis In The Technology Contributed Related To Research And Development Expenditures Basis value stands for technology which is contributed upon license agreement. Capitalization, Amount of Equity This element represents the total consolidated (as applicable) capitalization of the entity which is comprised equity instruments. Inventory, Raw Materials, Gross Raw materials and subassemblies Inventory Valuation Reserves Less: inventory reserve Machinery and Equipment, Gross Manufacturing equipment Property, Plant and Equipment, Other, Gross Office equipment Property, Plant and Equipment, Gross Total, at cost Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: accumulated depreciation Construction in Progress, Gross Construction in process Leasehold Improvements, Gross Leasehold improvements Employee-related Liabilities, Current Accrued compensation and benefits Product Warranty Accrual, Current Accrued warranty Accrued Royalties, Current Right of use liability-operating leases Customer Deposits, Current Customer deposits Other Accrued Liabilities, Current Other Sale Leaseback Transaction, Net Proceeds, Investing Activities Sale Leaseback Transaction, Quarterly Rental Payments Sale Leaseback Transaction, Imputed Interest Rate Sale Leaseback Transaction, Lease Terms In Years It represents the terms of the lease(s) in year related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller. Debt Instrument, Maturity Date Employeedirector Equity Incentive Plans Details Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected life of option (years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk-free interest rate, minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Risk-free interest rate, maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Assumed volatility, minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Assumed volatility, maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected dividend rate Expected forfeiture rate, minimum Expected forfeiture rate, minimum When presenting a range of interest rates, expected forfeiture rate, minimum. Expected forfeiture rate, maximum Expected forfeiture rate, maximum When presenting a range of interest rates, expected forfeiture rate, maximum. Employeedirector Equity Incentive Plans Details 1 Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of Options outstanding, Beginning Number of Options outstanding, Ending Outstanding Number of Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Number of Options granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Number of Options forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Outstanding beginning, Weighted-Average Exercise Price Outstanding ending, Weighted-Average Exercise Price Outstanding Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Options granted, Weighted-Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Options forfeited, Weighted-Average Exercise Price Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term Average Remaining Contractual Life (in years) Exercise Price Range [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Range 028 to 050 [Member] Range 0.28 to 0.50 [Member] 0.28 to $0.50 Range 051 to 100 [Member] Range 0.51 to 1.00 [Member] 0.51 to $1.00 Range 101 to 150 [Member] Range 1.01 to 1.50 [Member] 1.01 to $1.50 Range 151 to 200 [Member] Range 1.51 to 2.00 [Member] 1.51 to $2.00 Range 201 to 580 [Member] Range 2.01 to 5.80 [Member] 2.01 to $5.80 Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Outstanding Average Remaining Contractual Life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Exercisable Number of Options Exercisable Average Remaining Contractual Life (in years) Exercisable Average Remaining Contractual Life (in years) Duration of Contractual life of exercisable average. Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Exercisable Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Number of Options Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Beginning Balance, Number of Options Ending Balance, number of options Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Weighted Average Grant Date Fair Value Per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Beginning Balance, grant date fair value Ending Balance, grant date fair value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Average Remaining Contractual Life (in years) EmployeedirectorEquityIncentivePlansDetails2Abstract Restricted Stock Unit [Member] Restricted Stock Unit [Member] Restricted Stock Units Outstanding Balance Number of Restricted Stock Units, Beginning Balance Number of Restricted Stock Units, Ending balance The number of shares, restricted stock units outstanding balance. RSUs granted Number of Restricted Stock Units, RSUs granted The number of shares, restricted stock unit granted. Shares Forfeited Related To RSU Awards Number of Restricted Stock Units, RSUs forfeited The number of shares forfeited related to RSU awards. Shares issued Number of Restricted Stock Units, Shares issued The number of shares issued related to RSU awards. Outstanding beginning, Weighted-Average Exercise Price Weighted Average Valuation Price Per Unit, Outstanding Beginning Weighted Average Valuation Price Per Unit, Outstanding Ending Per share or per unit amount of restricted stock outstanding weighted average valuation price. Weighted-Average Valuation Price, granted Weighted Average Valuation Price Per Unit, RSUs granted Per share or per unit amount of restricted stock weighted average valuation price granted. Resticted Stock Weighted Average Valuation Price Shares Forfeited Weighted Average Valuation Price Per Unit, RSUs forfeited Per share or per unit amount of restricted stock weighted average valuation price shares forfeited. Weighted-Average Valuation Price, shares issued Weighted Average Valuation Price Per Unit, Shares issued Per share or per unit amount of restricted stock weighted average valuation price shares issued. Employee Director Equity Incentive Plans [Abstract] Plan Name [Axis] Plan Name [Domain] Two Thousand Two Stock Option Plan [Member] 2007 Stock Option Plan [Member] Two Thousand Ten Omnibus Long Term Incentive Plan [Member] 2010 Omnibus Long-Term Incentive Plan [Member] Two Thousand Twelve Director Equity Plan [Member] 2012 Director Equity Plan [Member] Title of Individual [Axis] Relationship to Entity [Domain] Key Employees Or Non Employee [Member] Director [Member] Award Type [Axis] Equity Award [Domain] Restricted Stock Units (RSUs) [Member] Restricted Stock [Member] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Vesting [Axis] Vesting [Domain] Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Common Stock, Capital Shares Reserved for Future Issuance Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit Share Price Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Stock Granted, Value, Share-based Compensation, Gross Unvested Rsus Outstanding Unvested RSUs outstanding. Employee Service Share Based Compensation Non vested Awards Total Compensation Cost Not Yet Recognized Rsu Unrecognized compensation cost related to unvested RSUs The Employee Service Share Based Compensation Non vested Awards Total Compensation Cost Not Yet Recognized Rsu Sharebased Compensation Arrangement by Sharebased Payment Award Options Granted in Period Fair Value Fair value of options granted. Restricted Stock or Unit Expense Option Indexed to Issuer's Equity, Type [Axis] Option Indexed to Issuer's Equity, Type [Domain] Employee Stock Option [Member] Stock Option [Member] Warrants Details Abstract Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Class of Warrant or Right, Outstanding Warrants Beginning Balance Ending balance Warrants granted The number of shares, warrants granted. Warrants expired Warrants expired The number of shares, warrants expired. Warrants outstanding beginning weighted average exercise price Warrants outstanding beginning weighted average exercise price Warrants outstanding ending weighted average exercise price Per share or per unit amount of warrants outstanding weighted average exercise price. Warrants granted weighted average exercise price Per share or per unit amount of warrants granted weighted average exercise price. Warrants expired weighted average exercise price Per share or per unit amount of warrants expired weighted average exercise price. WARRANTS [Table] Roth Capital Partners Lic [Member] Type Of Agreement [Axis] Type Of Agreement [Domain] Professional Services Agreement [Member] Debt Instrument [Axis] Debt Instrument, Name [Domain] WARRANTS [Line Items] Class of Warrant or Right, Number of Securities Called by Warrants or Rights Class of Warrant or Right, Exercise Price of Warrants or Rights Class Of Warrant Or Rights Date From Which Warrants Or Rights Expired Date the warrants or rights are expired, in CCYY-MM-DD format. Basic And Diluted Net Loss Per Share Details Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Total Series B preferred shares The number of shares, series B preferred shares excluded from EPS. Stock warrants The number of shares, stock warrants excluded from EPS. Stock options and restricted stock units Stock options and RSUs The number of shares, stock options and restricted stock units excluded from EPS. Series B Convertible Preferred Stock [Member] Sale of Stock [Axis] Sale of Stock [Domain] SPI Energy Co Ltd Securities Purchase Agreement [Member] SPI Energy Co., Ltd Securities Purchase Agreement [Member] Registered Direct Offering [Member] Registered Direct Offering [Member] Investor [Member] Schedule of Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Axis] Financial Instruments Subject to Mandatory Redemption, Financial Instrument [Domain] Common Stock Subject to Mandatory Redemption [Member] Convertible Preferred Stock, Shares Issued upon Conversion Shares Issued, Price Per Share Preferred Stock, Conversion Price Per Share The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity can be converted. Preferred Stock, Dividend Rate, Percentage Conversion of Stock, Shares Converted Conversion of Stock, Shares Issued Preferred Stock, Liquidation Preference, Value Sale of Stock, Price Per Share Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Fair Value of Shares Counterparty Name [Axis] Counterparty Name [Domain] Commitments Details 1 Weighted-average remaining lease term (in years), Operating leases Weighted-average remaining lease term (in years) Duration of weighted average remaining lease term operating leases. Weighted Average Discount Rate, Percent Weighted-average discount rate Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Operating Leases, Future Minimum Payments Due, Next Twelve Months 2019 Operating Leases, Future Minimum Payments, Due in Two Years 2020 Operating Leases, Future Minimum Payments, Due in Three Years 2021 Operating Leases, Future Minimum Payments, Due in Four Years 2022 Operating Leases, Future Minimum Payments, Due in Five Years 2023 Operating Leases, Future Minimum Payments, Due Thereafter Thereafter Operating Leases, Future Minimum Payments Due Total undiscounted lease payments Present value adjustment Present value adjustment It represents operating leases future minimum payments due present value adjustment. Net operating lease liabilities Net operating lease liabilities It represents operating leases future minimum payments due present value. Commitments Details Narrative Other Noncurrent Liabilities [Member] Financial Instrument [Axis] Financial Instruments [Domain] Accrued Liabilities [Member] Operating Leases, Rent Expense, Minimum Rentals CarryingValueOfRightOfUseAsset Carrying Value Of Right Of Use Asset The carrying value of the right to use assets as of the end of the period. OperatingLeaseLiabilityShortTerm Operating Lease Liability Short Term Amount of operating lease obligation due within one year or the normal operating cycle, if longer. OperatingLeaseLiabilityLongTerm Operating Lease Liability Long Term Amount of operating lease obligation due after one year or beyond the normal operating cycle, if longer. Short-term lease Rent Expense Rental expense for the reporting period incurred under short-term leases. Operating Leases of Lessee, Contingent Rentals, Basis Spread on Variable Rate Operating Leases, Rent Expense Short Term Lease Monthly Rent Expense Description This element represents the description of monthly rent on short term lease. Pension And Other Postretirement Benefit, Vested Percentage Of Eligible Employees This element represents the percentage of eligible employees vested for the pension and other post retirement benefits. Pension and Other Postretirement Benefits Cost (Reversal of Cost) Defined Contribution Plan, Employer Matching Contribution, Percent of Match Income Tax Authority [Axis] Income Tax Authority [Domain] Tax Credit Carryforward [Axis] Tax Credit Carryforward, Name [Domain] Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Tax Period [Axis] Tax Period [Domain]