Quarterly report pursuant to sections 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3)

v2.4.0.8
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3)
6 Months Ended 12 Months Ended 6 Months Ended 12 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2013
Balance Sheet Items Except Equity Accounts [Member]
China Dredging [Member]
Dec. 31, 2012
Balance Sheet Items Except Equity Accounts [Member]
China Dredging [Member]
Jun. 30, 2013
Balance Sheet Items Except Equity Accounts [Member]
Merchant Supreme [Member]
Dec. 31, 2012
Balance Sheet Items Except Equity Accounts [Member]
Merchant Supreme [Member]
Jun. 30, 2013
Income Statement And Cashflow [Member]
China Dredging [Member]
Jun. 30, 2012
Income Statement And Cashflow [Member]
China Dredging [Member]
Jun. 30, 2013
Income Statement And Cashflow [Member]
China Dredging [Member]
Jun. 30, 2012
Income Statement And Cashflow [Member]
China Dredging [Member]
Jun. 30, 2013
Income Statement And Cashflow [Member]
Merchant Supreme [Member]
Jun. 30, 2012
Income Statement And Cashflow [Member]
Merchant Supreme [Member]
Jun. 30, 2013
Income Statement And Cashflow [Member]
Merchant Supreme [Member]
Jun. 30, 2012
Income Statement And Cashflow [Member]
Merchant Supreme [Member]
Foreign Currency Translation Adjustment Description CNY For $1 6.1374 6.2301 6.1374 6.3086 6.1454 6.3335 6.1811 6.3166 6.1454 6.3335 6.1811 6.3166
Foreign Currency Translation Adjustment Description HKD For $1 7.756 7.7507 7.756 7.7507 7.7597 7.7592 7.7588 7.7590 7.7597 7.7592 7.7588 7.7590