CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (Parentheticals)	3 Months Ended
Mar. 31, 2013
Statement Of Cash Flows [Abstract]
Percentage of equity interest in GAIM	25.00%

It represents sale of percentage of the equity interest.

No definition available.

Name:	csof_NoncontrollingInterestSaleOfEquityInterestPercentage
Namespace Prefix:	csof_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration