Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Apr. 30, 2014	Apr. 30, 2013
Cash flows from operating activities:
Net (loss) income	$ (135,181)	$ 2,367,563
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	3,138,502	1,805,975
(Provision) benefit for deferred income taxes	85,407	(292,181)
Share based compensation expense	264,246	379,803
Tax impact of share-based compensation	(31,695)	0
Gain on sale of investment securities	0	(63,422)
Provisions for contract adjustments and doubtful accounts	(530,100)	449,946
Decrease (increase) in:
- contract receivables	3,485,793	10,963,958
- other current assets	(200,050)	(764,168)
- income tax receivable	1,515,657	631,197
- other non-current assets	28,807	(11,193)
(Decrease) increase in:
- accounts payable	(1,676,038)	(1,732,253)
- accrued payroll costs	1,043,103	1,009,998
- income taxes payable	515,305	0
- billings in excess of revenue	(156,680)	(1,456,271)
- other accrued liabilities	335,845	(52,805)
Net cash provided by operating activities	7,682,921	13,236,147
Cash flows from investing activities:
Acquisition of noncontrolling interest of subsidiaries	(689,361)	(595,556)
Purchase of property, building and equipment	(1,176,753)	(1,565,642)
(Purchase) sale of investment securities	49,338	(62,045)
Net cash used in investing activities	(1,816,776)	(2,223,243)
Cash flows from financing activities:
Dividends paid	(2,053,506)	(2,037,323)
Proceeds from debt	555,656	3,170
Repayment of debt and capital lease obligations	(694,312)	(732,825)
Net repayments of lines of credit	(5,526,325)	(5,543,495)
Distributions to noncontrolling interests	(431,522)	(1,338,842)
Purchase of treasury stock	(173,278)	0
Net cash used in financing activities	(8,323,287)	(9,649,315)
Effect of exchange rate changes on cash and cash equivalents	(16,793)	127,405
Net decrease in cash and cash equivalents	(2,473,935)	1,490,994
Cash and cash equivalents at beginning of period	9,444,660	10,467,770
Cash and cash equivalents at end of period	6,970,725	11,958,764
Cash paid during the year for:
- Interest	122,188	244,048
- Income Taxes	(2,471,717)	1,406,346
Supplemental disclosure of non-cash items:
Dividends declared and not paid	0	1,018,783
Acquisition of noncontrolling interest of subsidiaries (loans and stock)	1,041,824	212,401
Change in accounts payable due to equipment purchases	$ 0	$ 670,678