Subsequent Events	6 Months Ended
Jul. 31, 2013
Subsequent Events [Abstract]
SUBSEQUENT EVENTS	NOTE 16—SUBSEQUENT EVENTS In August 2013, the Company announced that a third party investor, an affiliate of Panda Power Funds, completed the purchase and permanent financing of Moxie Liberty. In connection with the closing, GPI received cash from Moxie Liberty in the approximate aggregate amount of $19,373,000 including the receipt of development success fees related to the Moxie Liberty project in the amount of $14,245,000, which will be reported as income in the quarter ending October 31, 2013, and the repayment of notes receivable and accrued interest in the amount of $5,128,000. Also, GPS received a full notice-to-proceed with the engineering, procurement and construction efforts pursuant to the Liberty EPC Contract.

Subsequent Events

6 Months Ended

Jul. 31, 2013

NOTE 16—SUBSEQUENT EVENTS

In August 2013, the Company announced that a third party investor, an affiliate of Panda Power Funds, completed the purchase and permanent financing of Moxie Liberty. In connection with the closing, GPI received cash from Moxie Liberty in the approximate aggregate amount of $19,373,000 including the receipt of development success fees related to the Moxie Liberty project in the amount of $14,245,000, which will be reported as income in the quarter ending October 31, 2013, and the repayment of notes receivable and accrued interest in the amount of $5,128,000. Also, GPS received a full notice-to-proceed with the engineering, procurement and construction efforts pursuant to the Liberty EPC Contract.