CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2012
Cash Flows From Operating Activities:
Net loss	$ (1,417)	$ (8,554,322)	$ (9,490,278)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	368,447	463,718	612,658
Stock compensation expense	392,871	837,754	732,928
Common stock issued for services rendered	286,780	392,421	699,445
Write-off of abandoned patents			440,780
Gain on disposal of property and equipment	(188,869)	(1,037,485)	(2,027,939)
Common stock issued for interest on convertible debentures & preferred stock	689,850	886,950	485,190
Change in fair value of derivative liabilities	(4,525,739)	3,140,259	1,081,440
Changes in operating assets and liabilities
Accounts payable and accrued expenses	(490,352)	123,556	(1,218,616)
Deferred revenue	(1,181)	(38,282)	(105,395)
Other current assets	(104,015)	124,197	745,808
Net Cash Used in Operating Activities	(3,573,625)	(3,661,234)	(8,043,979)
Cash Flows From Investing Activities:
Purchase of property and equipment			(2,416)
Proceeds from sale of property and equipment	883,780	1,764,008	4,953,325
Costs incurred for patents	(89,481)	(78,948)	(173,775)
Net Cash Provided By Investing Activities	794,299	1,685,060	4,777,134
Cash Flows From Financing Activities:
Proceeds from issuance of long-term debt		829,038	3,561,688
Repayment of long-term debt	(606,806)	(1,833,265)	(4,821,511)
Proceeds from exercise of warrants	2,301,944	1,845,204	30,000
Proceeds from exercise of stock options	526	5,181	1,300
Proceeds from issuance of preferred stock	2,655,000	2,615,000	1,975,000
Net Cash Provided by Financing Activities	4,350,664	3,461,158	746,477
Effect of Exchange Rates on Cash	(10,803)	(22,339)	(32,120)
Net Increase/(Decrease) in Cash and Cash Equivalents	1,560,535	1,462,645	(2,552,488)
Cash and Cash Equivalents, Beginning of Year	1,708,954	246,309	2,798,797
Cash and Cash Equivalents, End of Year	3,269,489	1,708,954	246,309
Supplemental Disclosure of Cash Flow Information
Interest paid in cash	35,541	327,722	592,525
Issuance of stock options to satisfy compensation liabilities	257,505
Issuance of stock as financing share issuance costs	115,000
Issuance of common stock as payment of dividends on preferred stock	$ 689,850	$ 886,950	$ 485,190