$ERII
Energy Recovery, Inc. Stock $erii

$erii Overview Financials Valuation SEC Filings Company Website

2018 Q2 Form 10-Q Financial Statement

#000142151718000134 Filed on August 02, 2018

Income Statement

Concept	2018 Q2	2017 Q2
Revenue	$17.41M	$10.86M
YoY Change	60.22%	-9.26%
Cost Of Revenue	$5.976M	$3.572M
YoY Change	67.3%	-15.68%
Gross Profit	$11.43M	$7.292M
YoY Change	56.75%	-5.75%
Gross Profit Margin	65.67%	67.12%
Selling, General & Admin	$6.785M	$6.101M
YoY Change	11.21%	2.94%
% of Gross Profit	59.36%	83.67%
Research & Development	$3.605M	$3.077M
YoY Change	17.16%	27.04%
% of Gross Profit	31.54%	42.2%
Depreciation & Amortization	$920.0K	$940.0K
YoY Change	-2.13%	2.17%
% of Gross Profit	8.05%	12.89%
Operating Expenses	$10.55M	$9.336M
YoY Change	12.98%	9.74%
Operating Profit	$4.240M	$1.006M
YoY Change	321.47%	109.58%
Interest Expense	$1.000K	$0.00
YoY Change
% of Operating Profit	0.02%	0.0%
Other Income/Expense, Net	$381.0K	$111.0K
YoY Change	243.24%	40.51%
Pretax Income	$4.621M	$1.117M
YoY Change	313.7%	99.82%
Income Tax	-$11.10M	$188.0K
% Of Pretax Income	-240.21%	16.83%
Net Earnings	$15.74M	$929.0K
YoY Change	1594.62%	103.73%
Net Earnings / Revenue	90.45%	8.55%
Basic Earnings Per Share	$0.29	$0.02
Diluted Earnings Per Share	$0.28	$0.02
COMMON SHARES
Basic Shares Outstanding	53.75M shares	53.75M shares
Diluted Shares Outstanding	55.41M shares	55.57M shares

Balance Sheet

Concept	2018 Q2	2017 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$88.60M	$90.80M
YoY Change	-2.42%	-3.51%
Cash & Equivalents	$16.38M	$33.28M
Short-Term Investments	$72.20M	$57.50M
Other Short-Term Assets	$1.900M	$3.500M
YoY Change	-45.71%	59.09%
Inventory	$6.375M	$6.370M
Prepaid Expenses
Receivables	$11.30M	$12.35M
Other Receivables	$600.0K	$300.0K
Total Short-Term Assets	$114.9M	$118.1M
YoY Change	-2.69%	4.85%
LONG-TERM ASSETS
Property, Plant & Equipment	$12.99M	$10.97M
YoY Change	18.35%	12.42%
Goodwill	$12.80M	$12.79M
YoY Change	0.08%	0.0%
Intangibles	$954.0K	$1.585M
YoY Change	-39.81%	-28.47%
Long-Term Investments
YoY Change
Other Assets	$285.0K	$2.000K
YoY Change	14150.0%	0.0%
Total Long-Term Assets	$59.32M	$27.76M
YoY Change	113.7%	-3.34%
TOTAL ASSETS
Total Short-Term Assets	$114.9M	$118.1M
Total Long-Term Assets	$59.32M	$27.76M
Total Assets	$174.2M	$145.9M
YoY Change	19.46%	3.19%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.932M	$2.829M
YoY Change	-31.71%	86.36%
Accrued Expenses	$5.500M	$6.900M
YoY Change	-20.29%	32.69%
Deferred Revenue	$17.65M
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$12.00K	$11.00K
YoY Change	9.09%	10.0%
Total Short-Term Liabilities	$25.48M	$16.03M
YoY Change	58.9%	14.25%
LONG-TERM LIABILITIES
Long-Term Debt	$10.00K	$22.00K
YoY Change	-54.55%	-33.33%
Other Long-Term Liabilities	$46.40M	$61.90M
YoY Change	-25.04%	-7.75%
Total Long-Term Liabilities	$10.00K	$22.00K
YoY Change	-54.55%	-33.33%
TOTAL LIABILITIES
Total Short-Term Liabilities	$25.48M	$16.03M
Total Long-Term Liabilities	$10.00K	$22.00K
Total Liabilities	$71.88M	$80.33M
YoY Change	-10.52%	-3.53%
SHAREHOLDERS EQUITY
Retained Earnings	-$21.54M	-$59.25M
YoY Change	-63.64%	-2.57%
Common Stock	$59.00K	$58.00K
YoY Change	1.72%	3.57%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$30.49M	$20.49M
YoY Change	48.81%	34.66%
Treasury Stock Shares	5.456M shares	$4.263M
Shareholders Equity	$102.4M	$65.53M
YoY Change
Total Liabilities & Shareholders Equity	$174.2M	$145.9M
YoY Change	19.46%	3.19%

Cashflow Statement

Concept	2018 Q2	2017 Q2
OPERATING ACTIVITIES
Net Income	$15.74M	$929.0K
YoY Change	1594.62%	103.73%
Depreciation, Depletion And Amortization	$920.0K	$940.0K
YoY Change	-2.13%	2.17%
Cash From Operating Activities	$4.660M	-$1.160M
YoY Change	-501.72%	-204.5%
INVESTING ACTIVITIES
Capital Expenditures	-$910.0K	-$3.250M
YoY Change	-72.0%	606.52%
Acquisitions
YoY Change
Other Investing Activities	-$14.17M	-$18.93M
YoY Change	-25.15%	27.22%
Cash From Investing Activities	-$15.08M	-$22.18M
YoY Change	-32.01%	44.59%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-5.790M	-3.630M
YoY Change	59.5%	10.67%
NET CHANGE
Cash From Operating Activities	4.660M	-1.160M
Cash From Investing Activities	-15.08M	-22.18M
Cash From Financing Activities	-5.790M	-3.630M
Net Change In Cash	-16.21M	-26.97M
YoY Change	-39.9%	54.03%
FREE CASH FLOW
Cash From Operating Activities	$4.660M	-$1.160M
Capital Expenditures	-$910.0K	-$3.250M
Free Cash Flow	$5.570M	$2.090M
YoY Change	166.51%	33.12%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
	dei	Document Period End Date DocumentPeriodEndDate	2018-06-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0001421517
CY2018Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	53579862	shares
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	Energy Recovery, Inc.
	dei	Trading Symbol TradingSymbol	erii
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CY2017Q4	erii	Accrued Expenses And Other Noncurrent Liabilities AccruedExpensesAndOtherNoncurrentLiabilities	0	USD
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CY2018Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	17651000	USD
CY2018Q2	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	33124000	USD
CY2017	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	5892000	USD
CY2017Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	40517000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	6155000	USD
CY2017Q2	us-gaap	Cost Of Revenue CostOfRevenue	3572000	USD
	us-gaap	Cost Of Revenue CostOfRevenue	9290000	USD
CY2017Q4	us-gaap	Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear	4865000	USD
CY2018Q2	us-gaap	Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear	108000	USD
CY2017Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	414000	USD
CY2018Q2	us-gaap	Customer Deposits Current CustomerDepositsCurrent	1236000	USD
CY2017Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	7933000	USD
	us-gaap	Cost Of Revenue CostOfRevenue	8184000	USD
CY2018Q2	us-gaap	Cost Of Revenue CostOfRevenue	5976000	USD
CY2018Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	19444000	USD
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-233000	USD
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-11512000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1820000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2040000	USD
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.02
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.29
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.28
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.02
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.02
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.28
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.27
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-15000	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	22000	USD
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.149
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-3.244
CY2017Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	6071000	USD
CY2018Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	3402000	USD
CY2018Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	9488000	USD
CY2018Q2	us-gaap	Fair Value Assets Level1 To Level2 Transfers Amount FairValueAssetsLevel1ToLevel2TransfersAmount	0	USD
CY2018Q2	us-gaap	Fair Value Assets Level2 To Level1 Transfers Amount FairValueAssetsLevel2ToLevel1TransfersAmount	0	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	5374000	USD
CY2018Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	5689000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	6643000	USD
CY2018Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	6643000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1269000	USD
CY2018Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	954000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-16000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	51000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-22000	USD
CY2017Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	3927000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	8335000	USD
CY2018Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	4927000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	10764000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	12790000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	12800000	USD
CY2018Q2	us-gaap	Goodwill Goodwill	12790000	USD
CY2018Q2	us-gaap	Goodwill Goodwill	12800000	USD
CY2018Q2	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	0	USD
CY2017Q2	us-gaap	Gross Profit GrossProfit	7292000	USD
	us-gaap	Gross Profit GrossProfit	14925000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	11430000	USD
	us-gaap	Gross Profit GrossProfit	19174000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1117000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1587000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	4621000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	3538000	USD
CY2017Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	188000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	236000	USD
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-11122000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-11479000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-11500000	USD
CY2017Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	0	USD
CY2018Q2	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	145000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1324000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-1976000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	536000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-833000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	412000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-577000	USD
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-3099000	USD
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	7532000	USD
	us-gaap	Increase Decrease In Cost In Excess Of Billing On Uncompleted Contract IncreaseDecreaseInCostInExcessOfBillingOnUncompletedContract	2223000	USD
	us-gaap	Increase Decrease In Cost In Excess Of Billing On Uncompleted Contract IncreaseDecreaseInCostInExcessOfBillingOnUncompletedContract	-186000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1657000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	907000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	522000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	10477000	USD
	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	0	USD
CY2017Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1269000	USD
CY2018Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	954000	USD
CY2017Q2	us-gaap	Interest Expense InterestExpense	0	USD
	us-gaap	Interest Expense InterestExpense	1000	USD
CY2018Q2	us-gaap	Interest Expense InterestExpense	1000	USD
	us-gaap	Interest Expense InterestExpense	1000	USD
CY2017Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	198000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	369000	USD
CY2018Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	373000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	674000	USD
CY2017Q4	us-gaap	Interest Receivable InterestReceivable	439000	USD
CY2018Q2	us-gaap	Interest Receivable InterestReceivable	472000	USD
CY2017Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	1424000	USD
CY2018Q2	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	1442000	USD
CY2017Q4	us-gaap	Inventory Net InventoryNet	5514000	USD
CY2018Q2	us-gaap	Inventory Net InventoryNet	6375000	USD
CY2017Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	1899000	USD
CY2018Q2	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	2339000	USD
CY2017Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	700000	USD
CY2018Q2	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	600000	USD
CY2017Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	2191000	USD
CY2018Q2	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	2594000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	72591000	USD
CY2018Q2	us-gaap	Liabilities Liabilities	71884000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	164485000	USD
CY2018Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	174245000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	30360000	USD
CY2018Q2	us-gaap	Liabilities Current LiabilitiesCurrent	25477000	USD
CY2015	us-gaap	Licenses Revenue LicensesRevenue	1332000	USD
CY2016	us-gaap	Licenses Revenue LicensesRevenue	8069000	USD
CY2017Q2	us-gaap	Licenses Revenue LicensesRevenue	3050000	USD
	us-gaap	Licenses Revenue LicensesRevenue	5298000	USD
CY2017	us-gaap	Licenses Revenue LicensesRevenue	11106000	USD
CY2018Q2	us-gaap	Licenses Revenue LicensesRevenue	3358000	USD
	us-gaap	Licenses Revenue LicensesRevenue	6107000	USD
CY2017Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	11000	USD
CY2018Q2	us-gaap	Long Term Debt Current LongTermDebtCurrent	12000	USD
CY2017Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	16000	USD
CY2018Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	10000	USD
	us-gaap	Loss Contingency New Claims Filed Number LossContingencyNewClaimsFiledNumber	2	complaint
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-794000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-7691000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-22418000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-4015000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	-5984000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	-1670000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	929000	USD
	us-gaap	Net Income Loss NetIncomeLoss	1351000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	15743000	USD
	us-gaap	Net Income Loss NetIncomeLoss	15017000	USD
CY2017Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	111000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	228000	USD
CY2018Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	381000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	629000	USD
CY2017Q2	us-gaap	Operating Expenses OperatingExpenses	9336000	USD
	us-gaap	Operating Expenses OperatingExpenses	18864000	USD
CY2018Q2	us-gaap	Operating Expenses OperatingExpenses	10548000	USD
	us-gaap	Operating Expenses OperatingExpenses	22372000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	1006000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	1359000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	4240000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	2909000	USD
CY2018Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	13369000	USD
CY2017Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1603000	USD
CY2018Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	471000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	851000	USD
CY2017Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	3301000	USD
CY2017Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	2843000	USD
CY2018Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	12669000	USD
CY2018Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	336000	USD
CY2017Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1698000	USD
CY2018Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	13033000	USD
CY2018Q2	us-gaap	Operating Lease Payments OperatingLeasePayments	176000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	611000	USD
CY2018Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0694
	us-gaap	Operating Lease Weighted Average Remaining Lease Term OperatingLeaseWeightedAverageRemainingLeaseTerm	P10M10D
CY2018Q2	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	19252000	USD
CY2018Q2	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	1812000	USD
CY2018Q2	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	1653000	USD
CY2018Q2	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	1855000	USD
CY2018Q2	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	1823000	USD
CY2018Q2	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	11756000	USD
CY2018Q2	us-gaap	Operating Leases Future Minimum Payments Remainder Of Fiscal Year OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear	353000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	12000	USD
CY2018Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	285000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-5000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-4000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	7000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-57000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	25000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	35000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-33000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-12000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-69000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	20000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	31000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-26000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-69000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	93000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2000	USD
CY2017Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-87000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-140000	USD
CY2018Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	9000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-44000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4276000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	10000000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	195000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	76000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	31146000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	43117000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3777000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1536000	USD
CY2017Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2018Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2018Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2018Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2017Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-36559000	USD
CY2018Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-21542000	USD
CY2017Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2018Q2	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2017Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2018Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	330000	USD
CY2018Q2	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	633000	USD
CY2017Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	1342000	USD
CY2018Q2	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	1720000	USD
CY2017Q4	us-gaap	Prepaid Insurance PrepaidInsurance	256000	USD
CY2018Q2	us-gaap	Prepaid Insurance PrepaidInsurance	263000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	3682000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2390000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	12505000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	40638000	USD
CY2016Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	406000	USD
CY2017Q1	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	398000	USD
CY2017Q2	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	374000	USD
CY2017Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	366000	USD
CY2018Q1	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	359000	USD
CY2018Q2	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	389000	USD
CY2017Q2	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	2000	USD
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	38000	USD
CY2018Q2	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	23000	USD
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	28000	USD
	us-gaap	Product Warranty Expense ProductWarrantyExpense	91000	USD
	us-gaap	Product Warranty Expense ProductWarrantyExpense	135000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	37535000	USD
CY2018Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	38452000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	13393000	USD
CY2018Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	12988000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	10000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	328000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	0	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	0	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	5000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	5000	USD
CY2017Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	3077000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	5586000	USD
CY2018Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	3605000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	7522000	USD
CY2017Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	2846000	USD
CY2018Q2	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	894000	USD
CY2017Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	2664000	USD
CY2018Q2	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	808000	USD
CY2017Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	182000	USD
CY2018Q2	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	86000	USD
CY2017Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	13914000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	28407000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	20764000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	34571000	USD
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	7917000	USD
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	13786000	USD
	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod	P2Y
	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod	P3Y
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	14300000	USD
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	6969000	USD
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	5677000	USD
CY2018Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	48649000	USD
	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod	P1Y
	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod	P4Y
	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod	P5Y
CY2017Q2	us-gaap	Sales Revenue Net SalesRevenueNet	10864000	USD
	us-gaap	Sales Revenue Net SalesRevenueNet	23109000	USD
CY2018Q2	us-gaap	Sales Revenue Net SalesRevenueNet	17406000	USD
	us-gaap	Sales Revenue Net SalesRevenueNet	28464000	USD
CY2017Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	2174000	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	4627000	USD
CY2018Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	1858000	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	3770000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2120000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	3184000	USD
CY2017Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	1313000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	2921000	USD
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	1372000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	3142000	USD
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	3338000	shares
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	5.33
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3760000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	104000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	989000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	17735000	USD
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	11913000	USD
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5092000	shares
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5246000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.43
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.10
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	11741000	USD
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	4991000	shares
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	6.02
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	3.32
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	7.55
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	7.67
CY2018Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	9843000	USD
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y6M26D
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y7M
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y8M16D
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P6Y7M6D
CY2017Q4	us-gaap	Short Term Investments ShortTermInvestments	70020000	USD
CY2018Q2	us-gaap	Short Term Investments ShortTermInvestments	72207000	USD
CY2017Q2	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-58000	USD
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-85000	USD
CY2018Q2	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-34000	USD
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-84000	USD
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	731000	shares
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	91894000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	102361000	USD
CY2017Q4	us-gaap	Supplies Supplies	124000	USD
CY2018Q2	us-gaap	Supplies Supplies	142000	USD
CY2017Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	4262833	shares
CY2018Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	5455935	shares
CY2017Q4	us-gaap	Treasury Stock Value TreasuryStockValue	20486000	USD
CY2018Q2	us-gaap	Treasury Stock Value TreasuryStockValue	30486000	USD
CY2017Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	1413000	USD
CY2018Q2	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	5984000	USD
CY2017Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1817000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2018000	shares
CY2018Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1659000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1690000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55565000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55804000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55406000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55437000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53748000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53786000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53747000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53747000	shares
	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-indent:0px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Description of Business and Significant Accounting Policies</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:Times New Roman;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-indent:36px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Energy Recovery, Inc. and its wholly-owned subsidiaries (the “Company,” “Energy Recovery,” “our,” “us,” or “we”) is an energy solutions provider to industrial fluid flow markets worldwide. The Company’s core competencies are fluid dynamics and advanced material science. The Company’s products make industrial processes more operationally and capital expenditure efficient. The Company’s solutions convert wasted pressure energy into a reusable asset and preserve or eliminate pumping technology in hostile processing environments. The Company’s solutions are marketed and sold in fluid flow markets, such as water, oil & gas, and chemical processing, under the trademarks ERI</font><font style="font-family:inherit;font-size:10pt;"><sup style="vertical-align:top;line-height:120%;font-size:7pt">®</sup></font><font style="font-family:inherit;font-size:10pt;">, PX</font><font style="font-family:inherit;font-size:10pt;"><sup style="vertical-align:top;line-height:120%;font-size:7pt">®</sup></font><font style="font-family:inherit;font-size:10pt;">, Pressure Exchanger</font><font style="font-family:inherit;font-size:10pt;"><sup style="vertical-align:top;line-height:120%;font-size:7pt">®</sup></font><font style="font-family:inherit;font-size:10pt;">, PX Pressure Exchanger</font><font style="font-family:inherit;font-size:10pt;"><sup style="vertical-align:top;line-height:120%;font-size:7pt">®</sup></font><font style="font-family:inherit;font-size:10pt;">, VorTeq</font><font style="font-family:inherit;font-size:10pt;"><sup style="vertical-align:top;line-height:120%;font-size:7pt">™</sup></font><font style="font-family:inherit;font-size:10pt;">, MTeq</font><font style="font-family:inherit;font-size:10pt;"><sup style="vertical-align:top;line-height:120%;font-size:7pt">™</sup></font><font style="font-family:inherit;font-size:10pt;">, IsoBoost</font><font style="font-family:inherit;font-size:10pt;"><sup style="vertical-align:top;line-height:120%;font-size:7pt">®</sup></font><font style="font-family:inherit;font-size:10pt;">, IsoGen</font><font style="font-family:inherit;font-size:10pt;"><sup style="vertical-align:top;line-height:120%;font-size:7pt">®</sup></font><font style="font-family:inherit;font-size:10pt;">, AT</font><font style="font-family:inherit;font-size:10pt;"><sup style="vertical-align:top;line-height:120%;font-size:7pt">™</sup></font><font style="font-family:inherit;font-size:10pt;">, and AquaBold</font><font style="font-family:inherit;font-size:10pt;"><sup style="vertical-align:top;line-height:120%;font-size:7pt">™</sup></font><font style="font-family:inherit;font-size:10pt;">. The Company owns, manufactures, and/or develops its solutions, in whole or in part, in the United States of America (“U.S.”) and the Republic of Ireland (“Ireland”).</font></div><div style="line-height:120%;text-indent:36px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:Times New Roman;font-size:10pt;color:#000000;font-style:italic;font-weight:bold;text-decoration:none;">Basis of Presentation</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:Times New Roman;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-indent:36px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company’s Condensed Consolidated Financial Statements include the accounts of Energy Recovery, Inc. and its wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated in consolidation.</font></div><div style="line-height:120%;text-align:left;text-indent:34px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-indent:36px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The accompanying Condensed Consolidated Financial Statements have been prepared by the Company, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures normally included in the financial statements prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) have been condensed or omitted pursuant to such rules and regulations. The </font><font style="font-family:inherit;font-size:10pt;color:#000000;">December 31, 2017</font><font style="font-family:inherit;font-size:10pt;"> Condensed Consolidated Balance Sheet was derived from audited financial statements, and may not include all disclosures required by GAAP; however, the Company believes that the disclosures are adequate to make the information presented not misleading. The </font><font style="font-family:inherit;font-size:10pt;">June 30, 2018</font><font style="font-family:inherit;font-size:10pt;"> unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements and the notes thereto for the fiscal year ended </font><font style="font-family:inherit;font-size:10pt;color:#000000;">December 31, 2017</font><font style="font-family:inherit;font-size:10pt;"> included in the Company’s Annual Report on Form 10-K filed with the SEC on March 8, 2018.</font></div><div style="line-height:120%;text-indent:36px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-indent:36px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In the opinion of management, all adjustments, consisting of normal recurring adjustments that are necessary to present fairly the financial position, results of operations, and cash flows for the interim periods, have been made. The results of operations for the interim periods are not necessarily indicative of the operating results for the full fiscal year or any future periods.</font></div><div style="line-height:120%;text-indent:36px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:Times New Roman;font-size:10pt;color:#000000;font-style:italic;font-weight:bold;text-decoration:none;">Use</font><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;"> of Estimates</font></div><div style="line-height:120%;text-indent:36px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-indent:36px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of the Condensed Consolidated Financial Statements in conformity with GAAP requires the Company’s management to make judgments, assumptions, and estimates that affect the amounts reported in the Condensed Consolidated Financial Statements and accompanying Notes to Condensed Consolidated Financial Statements. The accounting policies that reflect the Company’s more significant estimates and judgments and that the Company believes are the most critical to aid in fully understanding and evaluating the Company’s reported financial results are revenue recognition; capitalization of research and development assets; allowance for doubtful accounts; valuation of right of use asset; and lease liability; allowance for product warranty; valuation of stock options; valuation and impairment of goodwill and acquired intangible assets; useful lives for depreciation and amortization; valuation adjustments for excess and obsolete inventory; deferred taxes and valuation allowances on deferred tax assets; and evaluation and measurement of contingencies. Those estimates could change, and as a result, actual results could differ materially from those estimates.</font></div></div>
	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:Times New Roman;font-size:10pt;color:#000000;font-style:italic;font-weight:bold;text-decoration:none;">Use</font><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;"> of Estimates</font></div><div style="line-height:120%;text-indent:36px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-indent:36px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of the Condensed Consolidated Financial Statements in conformity with GAAP requires the Company’s management to make judgments, assumptions, and estimates that affect the amounts reported in the Condensed Consolidated Financial Statements and accompanying Notes to Condensed Consolidated Financial Statements. The accounting policies that reflect the Company’s more significant estimates and judgments and that the Company believes are the most critical to aid in fully understanding and evaluating the Company’s reported financial results are revenue recognition; capitalization of research and development assets; allowance for doubtful accounts; valuation of right of use asset; and lease liability; allowance for product warranty; valuation of stock options; valuation and impairment of goodwill and acquired intangible assets; useful lives for depreciation and amortization; valuation adjustments for excess and obsolete inventory; deferred taxes and valuation allowances on deferred tax assets; and evaluation and measurement of contingencies. Those estimates could change, and as a result, actual results could differ materially from those estimates.</font></div></div>

Files In Submission

Name	View Source	Status
0001421517-18-000134-index-headers.html	Edgar Link	pending
0001421517-18-000134-index.html	Edgar Link	pending
0001421517-18-000134.txt	Edgar Link	pending
0001421517-18-000134-xbrl.zip	Edgar Link	pending
erii-06302018x10q.htm	Edgar Link	pending
erii-20180630.xml	Edgar Link	completed
erii-20180630.xsd	Edgar Link	pending
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erii-20180630_pre.xml	Edgar Link	unprocessable
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eriiex321q2201810-q.htm	Edgar Link	pending
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$ERII
Energy Recovery, Inc. Stock $erii

2018 Q2 Form 10-Q Financial Statement

#000142151718000134 Filed on August 02, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$ERII Energy Recovery, Inc. Stock $erii

2018 Q2 Form 10-Q Financial Statement

#000142151718000134 Filed on August 02, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ERII
Energy Recovery, Inc. Stock $erii