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Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
Income Statement [Abstract] |  |  |  |
Net sales | $ 57,254 us-gaap_SalesRevenueNet |  | $ 59,239 us-gaap_SalesRevenueNet |
Cost of sales | 52,259 us-gaap_CostOfGoodsAndServicesSold |  | 48,072 us-gaap_CostOfGoodsAndServicesSold |
Gross profit | 4,995 us-gaap_GrossProfit |  | 11,167 us-gaap_GrossProfit |
Operating expenses: |  |  |  |
Research and development | 807 us-gaap_ResearchAndDevelopmentExpense |  | 499 us-gaap_ResearchAndDevelopmentExpense |
Selling and marketing | 2,517 us-gaap_SellingAndMarketingExpense |  | 2,147 us-gaap_SellingAndMarketingExpense |
General and administrative | 5,566 us-gaap_GeneralAndAdministrativeExpense |  | 5,359 us-gaap_GeneralAndAdministrativeExpense |
Total operating expenses | 8,890 us-gaap_OperatingExpenses |  | 8,005 us-gaap_OperatingExpenses |
Income (loss) from consolidated continuing operations | (3,895)us-gaap_OperatingIncomeLoss |  | 3,162 us-gaap_OperatingIncomeLoss |
Net equity income from foreign joint ventures’ operations: |  |  |  |
Equity income from foreign joint ventures’ operations | 2,194 us-gaap_IncomeLossFromEquityMethodInvestments |  | 3,024 us-gaap_IncomeLossFromEquityMethodInvestments |
Foreign joint ventures’ operations related expenses | (522)aeti_JointVentureManagementRelatedExpenses |  | (267)aeti_JointVentureManagementRelatedExpenses |
Net equity income from foreign joint ventures’ operations | 1,672 aeti_NetEquityIncomeFromForeignJointVentures |  | 2,757 aeti_NetEquityIncomeFromForeignJointVentures |
Income (loss) from consolidated continuing operations and net equity income from foreign joint ventures’ operations | (2,223)us-gaap_IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet |  | 5,919 us-gaap_IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet |
Other income (expense): |  |  |  |
Interest expense and other, net | (165)us-gaap_NonoperatingIncomeExpense |  | 54 us-gaap_NonoperatingIncomeExpense |
Continuing operations income (loss) before income taxes | (2,388)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |  | 5,973 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |
Provision for income taxes (benefit) on continuing operations | (334)us-gaap_IncomeTaxExpenseBenefit |  | 713 us-gaap_IncomeTaxExpenseBenefit |
Net income (loss) from continuing operations | (2,054)us-gaap_IncomeLossFromContinuingOperations |  | 5,260 us-gaap_IncomeLossFromContinuingOperations |
Discontinued operations income (loss) | (2,673)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax |  | (709)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax |
Provision for income taxes on discontinued operations | 0 us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation |  | 0 us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation |
Net income (loss) from discontinued operations | (2,673)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |  | (709)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |
Net income (loss) before dividends on redeemable convertible preferred stock | (4,727)us-gaap_NetIncomeLoss |  | 4,551 us-gaap_NetIncomeLoss |
Dividends on redeemable convertible preferred stock | (345)us-gaap_RedeemablePreferredStockDividends |  | (342)us-gaap_RedeemablePreferredStockDividends |
Net income (loss) attributable to common stockholders | $ (5,072)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | [1] | $ 4,209 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | [1]
Earnings (loss) from continuing operations per common share: |  |  |  |
Basic | $ (0.29)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare |  | $ 0.62 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare |
Diluted | $ (0.29)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare |  | $ 0.56 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare |
Weighted - average number of continuing operations shares outstanding: |  |  |  |
Basic | 8,182,034 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 7,990,690 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |
Diluted | 8,182,034 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 9,472,506 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |
Loss per common share from discontinued operations: |  |  |  |
Basic and diluted | $ (0.33)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare |  | $ (0.09)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare |
Total earnings (loss) per common share: |  |  |  |
Basic | $ (0.62)us-gaap_EarningsPerShareBasic |  | $ 0.53 us-gaap_EarningsPerShareBasic |
Diluted | $ (0.62)us-gaap_EarningsPerShareDiluted |  | $ 0.48 us-gaap_EarningsPerShareDiluted |
Weighted - average number of common shares outstanding: |  |  |  |
Basic | 8,182,034 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 7,990,690 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |
Diluted | 8,182,034 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 9,472,506 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |
[1] | Net of preferred dividends of $345 and $342 in 2014 and 2013 respectively.

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