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Accounts and Contracts Receivables (Tables) | 12 Months Ended
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Jan. 31, 2017
Receivables [Abstract] |
Accounts and Contracts Receivables | Accounts and contracts receivables consisted of the following (in thousands):
|  | As of January 31, |
|  | 2017 |  |  | 2016 |
Accounts receivable |  | $ | 21,762 |  |  | $ | 27,691 |
Contracts receivable |  |  | 2,752 |  |  |  | 2,877 |
|  |  | 24,514 |  |  |  | 30,568 |
Less long-term portion |  |  | (4,968 | ) |  |  | (4,972 | )
Current accounts and contracts receivable |  |  | 19,546 |  |  |  | 25,596 |
Less current portion of allowance for doubtful accounts |  |  | (3,716 | ) |  |  | (3,633 | )
Current portion of accounts and contracts receivable, net of allowance for doubtful accounts |  | $ | 15,830 |  |  | $ | 21,963 |

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