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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) (USD $)	12 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Description Of Receipt From Lock Box Account	The Company is permitted to receive from the Lockbox Account on a daily basis, such cash equal to (A) (i) the cash balance in the Lockbox Account plus (ii) 95% of the available qualified accounts receivable, less (iii) $250,000, minus (B) the amount of principal, accrued interest and costs and expenses owed pursuant to the Notes
Contract Receivable Retainage	$ 634,935	$ 378,586
Concentration Risk, Percentage	25.90%	21.20%
Deferred Tax Assets, Valuation Allowance	7,700,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	8 months
Restricted Cash and Cash Equivalents	0	1,869,178
Cash and Cash Equivalents, At Carrying Value	2,177,070	1,410,223	811,283
Research and Development Expense	269,000	0
Security Deposit	748,000	771,000
Accounts Receivable, Net, Current	8,614,396	4,139,768
China Operations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accounts Receivable, Net	3,999,000
Accounts Receivable, Net, Current	260,000
Foreign Financial Institutions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, At Carrying Value	$ 233,000
the Cooper Projects [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Concentration Risk, Percentage	16.60%	23.30%

X

- Definition

For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount billed to customers under long-term contracts or programs that have been withheld because of retainage provisions in a contract.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

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