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Earnings Per Share (Details) (USD $)
 3 Months Ended 9 Months Ended
Oct. 31, 2014
Oct. 31, 2013
Oct. 31, 2014
Oct. 31, 2013
Numerator:        
Net income (loss) (in dollars) $ (2,500,230) $ (1,835,480) $ (2,885,895) $ 1,491,439
Denominator for basic income (loss) per share        
Weighted-average shares outstanding before common share equivalents 5,592,559 5,353,238 5,436,959 5,345,610
Weighted average common equivalent shares resulting from the warrant issued June 28, 2013 to the subordinated debt lender LKL Investments LLC 359,054 566,015 496,270 262,044
Total weighted average, including common equivalent shares 5,951,613 5,919,253 5,933,229 5,607,654
Effect of dilutive securities from restricted stock plan and from dilutive effect of stock options 0 0 0 107,497
Denominator for diluted loss per share (adjusted weighted average shares) 5,951,613 5,919,253 5,933,229 5,715,151
Basic income (loss) per share (in dollars per share) $ (0.42) $ (0.31) $ (0.49) $ 0.27
Diluted income (loss) per share (in dollars per share) $ (0.42) $ (0.31) $ (0.49) $ 0.26