MAJOR CUSTOMERS AND CREDIT RISK (Details Textual)	3 Months Ended					3 Months Ended
Dec. 31, 2011	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2012 Three Customers [Member]	Sep. 30, 2012 Four Customers [Member]	Dec. 31, 2012 Two Customers [Member]	Dec. 31, 2012 One Customer [Member]
Entitywide Accounts Receivable Customer Percentage		5.00%	5.00%	71.00%	54.00%
Entity-Wide Revenue, Major Customer, Percentage	10.00%					46.00%	40.00%

Percentage of accounts receivable from a single external customer that accounts for 39% percent of an entity's accounts receivable.

No definition available.

Name:	cgii_EntitywideAccountsReceivableCustomerPercentage
Namespace Prefix:	cgii_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant