DESCRIPTION OF THE BUSINESS AND BASIS OF PRESENTATION - Additional Information (Details) - USD ($)	3 Months Ended	9 Months Ended
	Oct. 31, 2015	Oct. 31, 2015	Oct. 31, 2014
Foreign Currency
Foreign currency translation losses	$ 411,000	$ 411,000
Other income (expense)
Foreign Currency
Foreign currency gains	$ 383,000	$ 165,000
GPS [Member]
Schedule Of Description Of Business [Line Items]
Consolidated revenues by subsidiaries		94.00%	98.00%