SEGMENT REPORTING (Details) - Schedule of Segment Reporting Information Assets (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2012
SEGMENT REPORTING (Details) - Schedule of Segment Reporting Information Assets [Line Items]
Assets	$ 427,868	$ 405,330	$ 438,049
Additions to other long lived assets	1,030	645	2,624
Long term debt	75,726	106,929	123,749
Alternative Energy Segment [Member]
SEGMENT REPORTING (Details) - Schedule of Segment Reporting Information Assets [Line Items]
Assets	356,589	337,857	367,029
Additions to other long lived assets	1,030	645	2,624
Long term debt	75,726	106,309	122,678
Real Estate Segment [Member]
SEGMENT REPORTING (Details) - Schedule of Segment Reporting Information Assets [Line Items]
Assets	4,722	13,326	17,458
Corporate and Other Segment [Member]
SEGMENT REPORTING (Details) - Schedule of Segment Reporting Information Assets [Line Items]
Assets	66,557	54,147	53,562
Long term debt		$ 620	$ 1,071