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Consolidated Statements of Comprehensive Loss (USD $)	12 Months Ended
Consolidated Statements of Comprehensive Loss (USD $)	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2013
Statement of Comprehensive Income [Abstract]
Net loss	$ (12,011,457)us-gaap_NetIncomeLoss	$ (11,717,190)us-gaap_NetIncomeLoss	$ (5,378,729)us-gaap_NetIncomeLoss
Other comprehensive gain (loss), net of tax:
Fair value of interest rate swap liability	(3,436)	(111,086)	0
Reclassification adjustment for loss on settlement of interest rate swap liability realized in net loss	114,522	0	0
Other comprehensive income (loss)	111,086	(111,086)	0
Comprehensive loss	$ (11,900,371)us-gaap_ComprehensiveIncomeNetOfTax	$ (11,828,276)us-gaap_ComprehensiveIncomeNetOfTax	$ (5,378,729)us-gaap_ComprehensiveIncomeNetOfTax

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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- Definition

Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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