Quarterly report pursuant to sections 13 or 15(d)

COMMITMENTS (Details 1)

COMMITMENTS (Details 1) (USD $)	Jun. 30, 2013
China Dredging Group Co Ltd [Member]
Related parties commitments	$ 385,781
Non-related parties commitments	17,617,395
Operating Leases Future Minimum Payments Due Related Party and Non Related Party	18,003,176
China Dredging Group Co Ltd [Member] \| Hire Charge Of Dredgers [Member]
Related parties commitments	0
Non-related parties commitments	5,465,126
Operating Leases Future Minimum Payments Due Related Party and Non Related Party	5,465,126
China Dredging Group Co Ltd [Member] \| Hire Charge Of Crew [Member]
Related parties commitments	360,109
Non-related parties commitments	2,036,694
Operating Leases Future Minimum Payments Due Related Party and Non Related Party	2,396,803
China Dredging Group Co Ltd [Member] \| Consumable Parts Supply [Member]
Related parties commitments	0
Non-related parties commitments	10,115,575
Operating Leases Future Minimum Payments Due Related Party and Non Related Party	10,115,575
China Dredging Group Co Ltd [Member] \| Office Rental [Member]
Related parties commitments	25,672
Non-related parties commitments	0
Operating Leases Future Minimum Payments Due Related Party and Non Related Party	25,672
Merchant Supreme Co Ltd [Member]
Related parties commitments	28,514
Non-related parties commitments	0
Operating Leases Future Minimum Payments Due Related Party and Non Related Party	28,514
Merchant Supreme Co Ltd [Member] \| Office Rental [Member]
Related parties commitments	28,514
Non-related parties commitments	0
Operating Leases Future Minimum Payments Due Related Party and Non Related Party	$ 28,514