Earnings Per Share (Details) (USD $)	3 Months Ended		9 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2012	Oct. 31, 2011
Numerator for Basic and Diluted Earnings per Share:
Net earning	$ 2,399,637	$ 295,766	$ 2,427,995	$ 8,051
Less: deemed dividends on series A Preferred stock	(139,133)		(139,133)
Net earnings attributable to common shareholders	$ 2,260,504		$ 2,288,862
Denominator for basic earnings per share weighted average shares	12,393,352	9,943,567	11,346,428	9,823,937
Effect of dilutive securities
Series A preferred stock	1,996,475		670,349
Warrants	264,097
Denominator for basic earnings per share, with assumed conversions	15,365,238	9,958,947	12,417,256	9,837,750
Basic net loss per common share	$ 0.18	$ 0.03	$ 0.20	$ 0.00
Diluted net loss per common share	$ 0.15	$ 0.03	$ 0.18	$ 0.00
Stock Options [Member]
Effect of dilutive securities
Stock options	674,352	15,380	357,554	13,813
Anti-dilutive securities:
Out-of-the-money	71,500	1,739,551	486,000	1,432,967
Restricted Stock [Member]
Effect of dilutive securities
Stock options	36,962		42,925
Warrants [Member]
Anti-dilutive securities:
Out-of-the-money			1,400,000