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Consolidated Statements of Operations (Unaudited) (USD $)
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3 Months Ended | 9 Months Ended | ||
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Jan. 31, 2015
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Jan. 31, 2014
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Jan. 31, 2015
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Jan. 31, 2014
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| Income Statement [Abstract] | ||||
| Revenues | $ 8,050,557us-gaap_Revenues | $ 7,641,079us-gaap_Revenues | $ 22,655,310us-gaap_Revenues | $ 22,418,038us-gaap_Revenues |
| Costs and expenses: | ||||
| Cost of sales | 6,845,904us-gaap_CostOfGoodsSold | 6,223,013us-gaap_CostOfGoodsSold | 19,193,718us-gaap_CostOfGoodsSold | 17,869,323us-gaap_CostOfGoodsSold |
| Engineering | 257,827us-gaap_TechnologyServicesCosts | 303,942us-gaap_TechnologyServicesCosts | 575,116us-gaap_TechnologyServicesCosts | 922,961us-gaap_TechnologyServicesCosts |
| Selling, general and administrative | 1,537,144us-gaap_SellingGeneralAndAdministrativeExpense | 1,910,085us-gaap_SellingGeneralAndAdministrativeExpense | 4,848,436us-gaap_SellingGeneralAndAdministrativeExpense | 5,580,085us-gaap_SellingGeneralAndAdministrativeExpense |
| Gain on asset disposal | 17,916us-gaap_GainLossOnDispositionOfAssets1 | 120,916us-gaap_GainLossOnDispositionOfAssets1 | ||
| Total costs and expenses | 8,640,875us-gaap_CostOfRevenue | 8,419,124us-gaap_CostOfRevenue | 24,617,270us-gaap_CostOfRevenue | 24,251,453us-gaap_CostOfRevenue |
| Loss from operations | (590,318)us-gaap_OperatingIncomeLoss | (778,045)us-gaap_OperatingIncomeLoss | (1,961,960)us-gaap_OperatingIncomeLoss | (1,833,415)us-gaap_OperatingIncomeLoss |
| Other income (expense): | ||||
| Interest expense, net | (67,550)us-gaap_InterestIncomeExpenseNonoperatingNet | (69,831)us-gaap_InterestIncomeExpenseNonoperatingNet | (944,582)us-gaap_InterestIncomeExpenseNonoperatingNet | (245,826)us-gaap_InterestIncomeExpenseNonoperatingNet |
| Currency gain (loss), net | (10,336)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax | 1,090us-gaap_ForeignCurrencyTransactionGainLossBeforeTax | (25,540)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax | 12,633us-gaap_ForeignCurrencyTransactionGainLossBeforeTax |
| Total other expense, net | (77,886)us-gaap_NonoperatingIncomeExpense | (68,741)us-gaap_NonoperatingIncomeExpense | (970,122)us-gaap_NonoperatingIncomeExpense | (233,193)us-gaap_NonoperatingIncomeExpense |
| Loss before income taxes | (668,204)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | (846,786)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | (2,932,082)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | (2,066,608)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |
| Income tax expense | 2,850us-gaap_IncomeTaxExpenseBenefit | |||
| Net loss | (668,204)us-gaap_ProfitLoss | (846,786)us-gaap_ProfitLoss | (2,934,932)us-gaap_ProfitLoss | (2,066,608)us-gaap_ProfitLoss |
| Less preferred stock dividends | 1,628,000us-gaap_PreferredStockDividendsAndOtherAdjustments | 1,628,000us-gaap_PreferredStockDividendsAndOtherAdjustments | ||
| Net loss allocated to common shareholders | $ (2,296,204)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ (846,786)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ (4,562,932)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ (2,066,608)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic |
| Net loss per share of common stock | ||||
| Basic | $ (0.90)us-gaap_EarningsPerShareBasic | $ (0.40)us-gaap_EarningsPerShareBasic | $ (1.85)us-gaap_EarningsPerShareBasic | $ (1.08)us-gaap_EarningsPerShareBasic |
| Diluted | $ (0.90)us-gaap_EarningsPerShareDiluted | $ (0.40)us-gaap_EarningsPerShareDiluted | $ (1.85)us-gaap_EarningsPerShareDiluted | $ (1.08)us-gaap_EarningsPerShareDiluted |
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- Definition
Total costs related to goods produced and sold during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The aggregate cost of goods produced and sold and services rendered during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The net amount of nonoperating interest income (expense). No definition available.
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- Definition
Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- Details
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- Definition
The aggregate value of preferred stock dividends and other adjustments necessary to derive net income apportioned to common stockholders. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Costs incurred in providing technology services. The services may include training, installation, engineering or consulting. Consulting services often include implementation support, software design or development, or the customization or modification of the licensed software. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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