Quarterly report pursuant to Section 13 or 15(d)

RELATED PARTY TRANSACTIONS (Details Textual)

v2.4.0.8
RELATED PARTY TRANSACTIONS (Details Textual) (USD $)
3 Months Ended 6 Months Ended 6 Months Ended
Oct. 31, 2013
Oct. 31, 2013
Apr. 30, 2013
Oct. 31, 2013
Pride Group Pty Limited [Member]
Oct. 31, 2012
Pride Group Pty Limited [Member]
Oct. 31, 2013
Taian Gas Group and Subsidiaries [Member]
Oct. 31, 2012
Taian Gas Group and Subsidiaries [Member]
Operating Leases, Rent Expense       $ 50,169 $ 58,915    
Revenue from Related Parties           0 0
Accounts receivable 9,099,911 9,099,911 7,085,969     0 221,474
Proceeds from Dividends Received 367,981            
Sale Of Stock Percentage 100.00% 100.00%          
Proceeds From Sales Of Business, Affiliate and Productive Assets   $ 1,400,000