DISCONTINUED OPERATIONS (Details Textual) - USD ($)			1 Months Ended	12 Months Ended
	Aug. 14, 2015	Jun. 03, 2015	Sep. 20, 2015	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Short term bank loan				$ 0	$ 3,224,180
Disposal Group, Including Discontinued Operation, Interest rate				7.38%
Security Deposit				$ 0	969,000
Stockholders' Equity Attributable To Noncontrolling Interest				0	560,915	$ 846,205
Disposal Group, Including Discontinued Operation, Revenue				839,969	8,773,567
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net				$ 0	4,264,451
Tgg [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Short term bank loan					3,224,000
China Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity Method Investment, Ownership Percentage				40.00%
Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current				$ 0	786,000
Refundable deposit received		$ 150,000
Proceeds From Received Remaining Cash		1,350,000
Payments For Broker’s Fee	$ 100,000
Escrow Deposit	$ 100,000		$ 93,000
Payments To Buyer For Outstanding Tax			$ 7,000
Gain (Loss) on Sale of Investments				838,000
Proceeds from Sale of Investment Projects				1,500,000
Gain (Loss) on Disposition of Assets				9,350,000
Gain Loss On Disposition Of Liabilities				7,935,000
Accumulated Other Comprehensive Income (Loss), Net of Tax				349,000
Stockholders' Equity Attributable To Noncontrolling Interest				577,000
Disposal Group, Including Discontinued Operation, Other Expense				174,000
Disposal Group, Including Discontinued Operation, Revenue				212,000	1,661,000
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net				$ 0	$ 0
China Operations [Member] | Halcyon Coast Investment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operation Sale Price		$ 1,500,000