OTHER INTANGIBLE ASSETS - Intangible Assets (Details) - USD ($)	6 Months Ended
	Jul. 31, 2015	Jan. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets - Accumulated Amortization	$ 2,143,000
Trade Name [Member] | GPS [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets - Estimated Useful Life	15 years
Finite Lived Intangible Assets - Gross Carrying Amount	$ 3,643,000
Finite Lived Intangible Assets - Accumulated Amortization	2,100,000
Finite Lived Intangible Assets - Net Amount	1,543,000	$ 1,664,000
Customer Contracts [Member] | Atlantic Projects Company Limited [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets - Gross Carrying Amount	182,000
Finite Lived Intangible Assets - Accumulated Amortization	43,000
Finite Lived Intangible Assets - Net Amount	$ 139,000
Customer Contracts [Member] | Atlantic Projects Company Limited [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets - Estimated Useful Life	1 year