Quarterly Results of Operations (Unaudited) - Selected Financial Information (Details) (USD $)	3 Months Ended								12 Months Ended
	Jan. 31, 2015	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2013
Effect of Fourth Quarter Events [Line Items]
Revenues	$ 6,595,000	$ 6,837,000	$ 7,242,000	$ 6,951,000	$ 6,517,000	$ 6,732,000	$ 8,773,000	$ 6,473,000	$ 27,625,407	$ 28,494,703	$ 23,766,803
Gross profit	3,209,000	3,793,000	4,221,000	3,398,000	2,887,000	3,597,000	5,536,000	3,297,000	14,621,000	15,317,000
Operating profit (loss)	(4,948,000)	(2,713,000)	(2,059,000)	(3,593,000)	(4,802,000)	(1,140,000)	997,000	(1,373,000)	(13,312,097)	(6,318,031)	(834,931)
Net loss	(4,810,000)	(2,256,000)	(2,275,000)	(2,671,000)	(1,947,000)	(6,232,000)	(828,000)	(2,710,000)	(12,011,457)	(11,717,190)	(5,378,729)
Less: deemed dividends on Series A Preferred Shares	(286,000)	(269,000)	(253,000)	(230,000)	(449,000)	(374,000)	(16,000)	(342,000)	(1,038,310)	(1,180,904)	(176,048)
Net earnings (loss) attributable to common shareholders	(5,096,000)	(2,525,000)	(2,528,000)	(2,901,000)	(2,396,000)	(6,607,000)	(844,000)	(3,051,000)	(13,049,767)	(12,898,094)	(5,554,777)
Basic net loss per share (in dollars per share)	$ (0.28)	$ (0.14)	$ (0.14)	$ (0.16)	$ (0.14)	$ (0.50)	$ (0.07)	$ (0.24)	$ (0.71)	$ (0.94)	$ (0.48)
Diluted net loss per share (in dollars per share)	$ (0.28)	$ (0.14)	$ (0.14)	$ (0.16)	$ (0.14)	$ (0.50)	$ (0.07)	$ (0.24)	$ (0.71)	$ (0.94)	$ (0.48)
Basic and diluted weighted average shares outstanding (shares)	18,417,000	18,301,000	18,174,000	18,146,000	16,337,000	13,258,000	12,862,000	12,534,000	18,261,800	13,747,700	11,634,540
Settlement of earn out consideration						4,101,000
Immaterial correction						188,145
Trade name
Effect of Fourth Quarter Events [Line Items]
Indefinite-lived assets	$ 1,952,000				$ 1,952,000				$ 1,952,000	$ 1,952,000