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CONCENTRATIONS OF REVENUES AND ACCOUNTS RECEIVABLE | 12 Months Ended
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Jan. 31, 2016
CONCENTRATIONS OF REVENUES AND ACCOUNTS RECEIVABLE |
CONCENTRATIONS OF REVENUES AND ACCOUNTS RECEIVABLE | NOTE 17 — CONCENTRATIONS OF REVENUES AND ACCOUNTS RECEIVABLE The majority of the Company’s consolidated revenues related to performance by the power industry services segment which provided 87%, 94% and 98% of consolidated revenues for the years ended January 31, 2017, 2016 and 2015, respectively. For the year ended January 31, 2017, the Company’s most significant customer relationships included five power industry service customers which accounted for 20%, 18%, 17%, 14% and 10% of consolidated revenues, respectively. For the year ended January 31, 2016, the Company’s most significant customer relationships included two power industry service customers which accounted for 38% and 35% of consolidated revenues. For the year ended January 31, 2015, the Company’s most significant customer relationships included three power industry service customers which accounted for 45%, 41% and 12% of consolidated revenues. Accounts receivable balances from four major customers represented 18%, 17%, 17% and 11% of the corresponding consolidated balance as of January 31, 2017, and accounts receivable balances from two major customers each represented 27% of the corresponding consolidated balance as of January 31, 2016.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6327-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6442-108592 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 + Details
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