Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
Jan. 31, 2015	Jan. 31, 2014
Cash flows from operating activities:
Net income (loss)	$ 1,208,202us-gaap_ProfitLoss	$ (128,593)us-gaap_ProfitLoss
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Impairment of goodwill	103,547us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss
Depreciation and amortization	764,362	2,102,492
Provision for deferred income taxes	(495,829)us-gaap_DeferredIncomeTaxExpenseBenefit	(148,589)us-gaap_DeferredIncomeTaxExpenseBenefit
Share based compensation expense	29,515us-gaap_ShareBasedCompensation	178,100us-gaap_ShareBasedCompensation
Tax impact of share-based compensation	(91,849)	(31,695)
Gain on sale of assets and investment securities	(152,085)us-gaap_GainsLossesOnSalesOfAssets	0us-gaap_GainsLossesOnSalesOfAssets
Net provision for (recovery of) contract adjustments and doubtful accounts	93,141us-gaap_ProvisionForOtherLosses	(258,403)us-gaap_ProvisionForOtherLosses
Net bad debt (recovery) expense	(404,292)us-gaap_ProvisionForDoubtfulAccounts	12,575us-gaap_ProvisionForDoubtfulAccounts
Decrease (increase) in:
- contract receivables	898,797	5,653,165
- other current assets	(479,827)	(869,757)
- income tax receivable	432,672	1,161,386
- other non-current assets	(173,291)	58,320
(Decrease) increase in:
- accounts payable	(1,545,951)	(1,468,585)
- accrued payroll costs	1,013,289	(113,580)
- income taxes payable	81,054	(2,873)
- billings in excess of revenue	343,820	(109,183)
- other accrued liabilities	83,435	346,888
Net cash provided by operating activities	1,708,710	6,381,668
Cash flows from investing activities:
Acquisition of noncontrolling interest of subsidiaries	(50,000)	(689,361)
Purchase of property, building and equipment	(451,346)	(880,263)
Proceeds from sale of property, building and equipment	215,027	0
Sale (purchase) of investment securities	(16,781)	55,989
Net cash used in investing activities	(303,100)	(1,513,635)
Cash flows from financing activities:
Dividends paid	(1,033,071)us-gaap_PaymentsOfDividendsCommonStock	(1,019,955)us-gaap_PaymentsOfDividendsCommonStock
Proceeds from debt	0	545,877
Repayment of debt and capital lease obligations	(381,268)	(654,544)
Net (repayments of) borrowings under of lines of credit	(247,609)us-gaap_ProceedsFromLinesOfCredit	(4,517,317)us-gaap_ProceedsFromLinesOfCredit
Distributions to noncontrolling interests	(513,318)us-gaap_PaymentsToMinorityShareholders	(380,048)us-gaap_PaymentsToMinorityShareholders
Purchase of treasury stock	0	(173,278)
Net cash used in financing activities	(2,175,266)	(6,199,265)
Effect of exchange rate changes on cash and cash equivalents	(242,503)	19,196
Net decrease in cash and cash equivalents	(1,012,159)	(1,312,036)
Cash and cash equivalents at beginning of period	6,889,243	9,444,660
Cash and cash equivalents at end of period	5,877,084	8,132,624
Cash paid during the year for:
Interest	50,206us-gaap_InterestPaid	91,769us-gaap_InterestPaid
Income Taxes	629,805us-gaap_IncomeTaxesPaidNet	(1,249,299)us-gaap_IncomeTaxesPaidNet
Supplemental disclosure of non-cash items:
Dividends declared and not paid	1,033,071	1,033,551
Acquisition of noncontrolling interest of subsidiaries (loans and stock)	$ 233,221	$ 1,041,824

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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The cash outflow associated with the purchase of noncontrolling interest during the period.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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Amount of expense related to other loss.

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The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c).

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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