Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Apr. 30, 2016	May 02, 2015
Cash flows from operating activities:
Net income	$ 109,611	$ 3,111,326
Adjustments to reconcile net income to net cash provided by operating activities:
Impairment of goodwill	0	103,547
Depreciation and amortization	872,243	1,125,326
Deferred income tax expense (benefit)	739,279	(497,364)
Share based compensation expense	53,413	44,271
Tax impact of share-based compensation	0	(91,849)
Loss (gain) on sale of assets and investment securities	(1,978)	(176,624)
Net provision for (recovery of) contract adjustments and doubtful accounts	(909,912)	29,740
Net bad debt (recovery) expense	350,522	(400,680)
Decrease (increase) in:
- contract receivables	7,398,247	707,388
- other current assets	(827,172)	(222,030)
- income tax receivable	179,771	971,805
- other non-current assets	15,800	(97,028)
(Decrease) increase in:
- accounts payable	(3,386,983)	(1,485,468)
- accrued payroll costs	(2,185,872)	(635,010)
- income taxes payable	34,007	111,148
- billings in excess of revenue	684,003	(360,992)
- other accrued liabilities	(107,974)	(6,698)
Net cash provided by operating activities	3,017,005	2,230,808
Cash flows from investing activities:
Acquisition of noncontrolling interest of subsidiaries	0	(50,000)
Proceeds from sale of subsidiary	150,000	0
Purchase of property, building and equipment	(257,967)	(615,890)
Proceeds from sale of property, building and equipment	4,599	239,565
Proceeds from maturity of investments	25,748	0
Purchase of investment securities	(77,946)	(24,913)
Net cash used in investing activities	(155,566)	(451,238)
Cash flows from financing activities:
Dividends paid	(2,066,418)	(2,066,142)
Proceeds from debt	5,768	84,940
Repayment of debt	(504,053)	(742,054)
Net (repayments of) borrowings under lines of credit	(138,467)	223,761
Distributions to noncontrolling interests	(427,221)	(513,583)
Net cash used in financing activities	(3,130,391)	(3,013,078)
Effect of exchange rate changes on cash and cash equivalents	(204,287)	(235,169)
Net decrease in cash and cash equivalents	(473,239)	(1,468,677)
Cash and cash equivalents at beginning of period	8,703,347	6,889,243
Cash and cash equivalents at end of period	8,230,108	5,420,566
Cash paid (received) during the period for:
Interest	101,857	90,969
Income taxes	1,951,489	821,926
Supplemental disclosure of non-cash items:
Acquisition of noncontrolling interest of subsidiaries (loans receivable and stock)	0	233,220
Sale of subsidiary (loans receivable)	75,000	0
Proceeds from capital lease obligations	$ 15,498	$ 0