CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Apr. 30, 2013	Apr. 30, 2012
OPERATING ACTIVITIES :
Consolidated net loss	$ (6,815,321)	$ (20,569,671)
Adjustments to reconcile consolidated net loss to net cash used in operating activities:
Depreciation and amortization	1,433,921	2,326,018
(Gain) loss from disposition of operations	(1,756,586)	1,032,737
Amortization of notes discount	1,355,127	0
Change in the fair value of derivative liabilities	2,703,248	0
Stock-based compensation	111,683	43,917
Provision for (recovery of) doubtful accounts	(85,883)	840,062
Amortization of debt issuance costs	439,885	436,737
Goodwill and intangible assets impairment	1,936,059	168,604
Change in the fair value of acquisition-related contingent consideration	0	83,628
(Gain) loss on sale of fixed assets	(23,027)	108,517
Deferred income taxes	550,967	4,204,824
Changes in operating assets and liabilities, net of effects of acquisitions and dispositions:
Restricted cash	(1,869,178)	0
Accounts receivable	2,527,534	(2,097,864)
Costs and estimated earnings in excess of billings on uncompleted contracts	12,229	2,287,393
Deferred contract costs	218,222	0
Inventory	(14,748)	414,713
Prepaid expenses and other current assets	(44,934)	(687,518)
Income taxes receivable	(55,187)	1,357,039
Prepaid taxes	86,332	(5,769)
Other assets	(127,271)	(27,992)
Accounts payable and accrued expenses	(1,870,379)	7,355,969
Billings in excess of costs and estimated earnings on uncompleted contracts	(1,913,374)	1,587,550
Deferred revenue	19,116	(53,187)
NET CASH USED IN OPERATING ACTIVITIES	(3,181,565)	(1,194,293)
INVESTING ACTIVITIES:
Acquisition of property and equipment, net	(324,125)	(405,632)
Acquisition of businesses, net of cash received	0	(1,043,006)
Proceeds from sale of operations, net of transaction costs	4,547,049	1,701,062
NET CASH PROVIDED BY INVESTING ACTIVITIES	4,222,924	252,424
FINANCING ACTIVITIES:
Net proceeds from Section 16(b) settlement	222,413	0
Debt issuance costs	(230,794)	(704,319)
Borrowings under lines of credit	0	4,964,140
Repayments under lines of credit	(4,964,140)	(7,000,000)
Proceeds from senior secured convertible notes	4,000,000	0
Repayments under loans payable, net	(70,304)	(47,074)
Repayments to joint venture partner, net	(2,538,870)	(209,562)
Repayments of capital lease obligations	(15,465)	(54,496)
Borrowings under short-term bank loan	2,389,050	0
Repayments under other payable	(25,000)	0
Borrowings under other payable	793,927	0
NET CASH USED IN FINANCING ACTIVITIES	(439,183)	(3,051,311)
Effect of exchange rate changes on cash	(3,236)	(74,643)
NET INCREASE (DECREASE)IN CASH AND CASH EQUIVALENTS	598,940	(4,067,823)
CASH AND CASH EQUIVALENTS, BEGINNING OF THE YEAR	811,283	4,879,106
CASH AND CASH EQUIVALENTS, END OF THE YEAR	1,410,223	811,283
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Interest	330,932	428,450
Income taxes	261,150	61,383
SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Issuance of notes for property and equipment	210,781	470,906
Settlement of account receivable for property and equipment	449,660	0
Settlement of account receivable in exchange of dividend distribution to noncontrolling interest	$ 200,766	$ 0