DISCONTINUED OPERATIONS (Details 1) (USD $)	Apr. 30, 2012
ASSETS
Cash and cash equivalents	$ 2,432
Accounts receivable, net of allowance of $134,929 at April 30, 2012	5,837,341
Costs and estimated earnings in excess of billings on uncompleted contracts	183,760
Inventory	1,416,773
Prepaid expenses and other current assets	82,971
Prepaid income taxes	47,920
Total current assets	7,571,197
PROPERTY AND EQUIPMENT, net	1,013,377
OTHER ASSETS	51,478
Total assets	8,636,052
LIABILITIES AND EQUITY
Current portion of loans payable	99,002
Income taxes payable	2,000
Accounts payable and accrued expenses	4,754,099
Billings in excess of costs and estimated earnings on uncompleted contracts	33,103
Deferred revenue	498,934
Total current liabilities	5,387,138
Loans payable, net of current portion	172,222
Total liabilities	5,559,360
Total net assets	$ 3,076,692