Concentration of risk major customers (Details) (USD $)	12 Months Ended
Dec. 31, 2012
Customer D - Revenue	$ 2,698,546
Customer E - Revenue	1,208,750
Total Revenue Customer D, E, F	$ 5,007,670
Customer D - Percentage of Revenue	53
Customer F - Percentage of Revenue	22
Total Percentage of Revenue Customer D and E	99

Aggregate revenue from customer's A and C recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

No definition available.

Name:	CSM_TotalRevenueCustomer
Namespace Prefix:	CSM_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration