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Note 5 - Trade Receivables | 12 Months Ended
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Jan. 31, 2017
Notes to Financial Statements |
Loans, Notes, Trade and Other Receivables Disclosure [Text Block] | Note 5 – Trade Receivables
|  |  | January 31, 2017 |  |  |  | January 31, 2016 |
Trade receivables |  |  | 26,495 |  |  |  | 27,080 |
Less: Allowance for doubtful accounts |  |  | (1,094 | ) |  |  | (1,466 | )
|  |  | 25,401 |  |  |  | 25,614 |
Included in accounts receivable are unbilled receivables in the amount of $1.0 million as at January 31, 2017 ($1.0 million as at January 31, 2016). Bad debt expense was $0.6 million, $0.8 million and $0.4 million for the years ended January 31, 2017, January 31, 2016 and January 31, 2015, respectively.

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