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INCOME TAXES - Additional Information (Details) - USD ($)	9 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Jan. 31, 2015
INCOME TAXES
Federal corporate income tax rate	35.00%	35.00%
Prepaid income taxes included in prepaid expenses and other assets	$ 1,329,000
Accrued income taxes included in accrued expenses			$ 176,000
Net deferred tax liabilities	$ 2,190,000		$ 1,010,000

X

- Definition

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes.

+ References

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, netted by jurisdiction.

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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