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Accounts and Contracts Receivables (Tables) | 12 Months Ended
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Jan. 31, 2018
Receivables [Abstract] |
Accounts and Contracts Receivables | Accounts and contracts receivables consisted of the following (in thousands):
| As of January 31,
| 2018 |  | 2017
Accounts receivable | $16,392 |  | $21,762
Contracts receivable | 4,921 |  | 2,752
| 21,313 |  | 24,514
Less long-term portion | (6,934) |  | (4,968)
Current accounts and contracts receivable | 14,379 |  | 19,546
Less current portion of allowance for doubtful accounts | (3,885) |  | (3,716)
Current portion of accounts and contracts receivable, net of allowance for doubtful accounts | $10,494 |  | $15,830

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