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Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2015 | Mar. 31, 2014
Income Statement [Abstract] |  |  |  |
Revenues, net of returns and allowances | $ 24,273 us-gaap_SalesRevenueNet | $ 12,717 us-gaap_SalesRevenueNet | $ 36,669 us-gaap_SalesRevenueNet | $ 27,488 us-gaap_SalesRevenueNet
Cost of sales | 17,384 us-gaap_CostOfGoodsAndServicesSold | 9,819 us-gaap_CostOfGoodsAndServicesSold | 26,352 us-gaap_CostOfGoodsAndServicesSold | 20,055 us-gaap_CostOfGoodsAndServicesSold
Gross profit | 6,889 us-gaap_GrossProfit | 2,898 us-gaap_GrossProfit | 10,317 us-gaap_GrossProfit | 7,433 us-gaap_GrossProfit
Selling, general and administrative | 8,075 us-gaap_SellingGeneralAndAdministrativeExpense | 5,277 us-gaap_SellingGeneralAndAdministrativeExpense | 14,459 us-gaap_SellingGeneralAndAdministrativeExpense | 9,402 us-gaap_SellingGeneralAndAdministrativeExpense
Research, development and engineering | 750 asys_ResearchAndDevelopmentNetOfGrantsEarned | 2,155 asys_ResearchAndDevelopmentNetOfGrantsEarned | 2,586 asys_ResearchAndDevelopmentNetOfGrantsEarned | 3,044 asys_ResearchAndDevelopmentNetOfGrantsEarned
Operating loss | (1,936)us-gaap_OperatingIncomeLoss | (4,534)us-gaap_OperatingIncomeLoss | (6,728)us-gaap_OperatingIncomeLoss | (5,013)us-gaap_OperatingIncomeLoss
Interest and other income, net | (217)us-gaap_OtherNonoperatingIncomeExpense | (20)us-gaap_OtherNonoperatingIncomeExpense | (120)us-gaap_OtherNonoperatingIncomeExpense | 87 us-gaap_OtherNonoperatingIncomeExpense
Loss before income taxes | (2,153)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | (4,554)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | (6,848)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | (4,926)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax provision | 170 us-gaap_IncomeTaxExpenseBenefit | 0 us-gaap_IncomeTaxExpenseBenefit | 350 us-gaap_IncomeTaxExpenseBenefit | 560 us-gaap_IncomeTaxExpenseBenefit
Net loss | (2,323)us-gaap_ProfitLoss | (4,554)us-gaap_ProfitLoss | (7,198)us-gaap_ProfitLoss | (5,486)us-gaap_ProfitLoss
Add: net loss (income) attributable to noncontrolling interest | 2 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 803 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (317)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 941 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Net loss attributable to Amtech Systems, Inc. | $ (2,321)us-gaap_NetIncomeLoss | $ (3,751)us-gaap_NetIncomeLoss | $ (7,515)us-gaap_NetIncomeLoss | $ (4,545)us-gaap_NetIncomeLoss
Loss Per Share: |  |  |  |
Basic loss per share attributable to Amtech shareholders (dollars per share) | $ (0.19)us-gaap_EarningsPerShareBasic | $ (0.39)us-gaap_EarningsPerShareBasic | $ (0.69)us-gaap_EarningsPerShareBasic | $ (0.47)us-gaap_EarningsPerShareBasic
Weighted average shares outstanding (in shares) | 11,997 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 9,679 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 10,914 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 9,619 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted loss per share attributable to Amtech shareholders (dollars per share) | $ (0.19)us-gaap_EarningsPerShareDiluted | $ (0.39)us-gaap_EarningsPerShareDiluted | $ (0.69)us-gaap_EarningsPerShareDiluted | $ (0.47)us-gaap_EarningsPerShareDiluted
Weighted average shares outstanding (in shares) | 11,997 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 9,679 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 10,914 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 9,619 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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