INTANGIBLE ASSETS (Details) (USD $)	6 Months Ended	12 Months Ended
	Jul. 31, 2013	Jan. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 22,615,000	$ 22,615,000
Accumulated Amortization	7,579,000	6,566,000
Net Carrying Amount	15,036,000	16,049,000
Intangible assets not subject to amortization [Abstract]
Goodwill	21,799,000	21,799,000
Trademarks and tradenames	100,000	100,000
Total	21,899,000	21,899,000
Covenants not to compete [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	990,000	990,000
Accumulated Amortization	793,000	740,000
Net Carrying Amount	197,000	250,000
Covenants not to compete [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	3 years	3 years
Covenants not to compete [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	5 years	5 years
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	20,547,000	20,547,000
Accumulated Amortization	6,459,000	5,552,000
Net Carrying Amount	14,088,000	14,995,000
Customer relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	3 years	3 years
Customer relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	15 years	15 years
Accreditations and certifications [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	20,000	20,000
Accumulated Amortization	20,000	18,000
Net Carrying Amount	0	2,000
Estimated Useful Life	5 years	5 years
Trademarks and tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	258,000	258,000
Accumulated Amortization	96,000	86,000
Net Carrying Amount	162,000	172,000
Trademarks and tradenames [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	3 years	3 years
Trademarks and tradenames [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	10 years	10 years
GSA Schedule [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	800,000	800,000
Accumulated Amortization	211,000	170,000
Net Carrying Amount	$ 589,000	$ 630,000
Estimated Useful Life	10 years	10 years