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Accounts and Contracts Receivables - Accounts and Contracts Receivables (Detail) - USD ($) $ in Thousands | Jan. 31, 2018 | Jan. 31, 2017
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Receivables [Abstract] |  |
Accounts receivable | $ 16,392 | $ 21,762
Contracts receivable | 4,921 | 2,752
Accounts and contracts receivable | 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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- Definition Accounts and contracts receivable, gross. + References No definition available. + Details
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- Definition Accounts and contracts receivable net, current. + References No definition available. + Details
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- Definition Allowance for doubtful accounts and contracts receivable net current. + References No definition available. + Details
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- Definition The aggregate of amounts due from customers or clients more than one year from the balance sheet date, for goods or services that have been delivered or sold in the normal course of business and an amount representing an agreement for an unconditional promise by the maker to pay the Company (holder) a definite sum of money at a future date more than one year from the balance sheet date. + References No definition available. + Details
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- Definition For unclassified balance sheet, amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(9)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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