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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2017 | Jan. 31, 2016 | Jan. 31, 2015
OPERATING ACTIVITIES |  |  |
Net income | $ 23,838 | $ 20,562 | $ 15,059
Adjustments to reconcile net income to cash provided by operating activities: |  |  |
Depreciation | 3,628 | 3,377 | 3,295
Amortization of intangible assets | 30,001 | 26,222 | 21,715
Stock-based compensation expense (Note 16) | 2,022 | 1,577 | 1,543
Other non-cash operating activities | (1,028) | (392) |
Deferred tax expense | 3,640 | 5,765 | 3,978
Deferred tax charge | 358 | 22 |
Accounts receivable |  |  |
Trade | 2,727 | 764 | 3,999
Other | (212) | 203 | 4,869
Prepaid expenses and other | (64) | (86) | 141
Inventory | 2 | 314 | 859
Accounts payable | (317) | (412) | (3,121)
Accrued liabilities | 3,674 | 25 | (294)
Income taxes payable | 1,431 | (1,690) | (73)
Deferred revenue | 2,883 | (2,008) | (2,492)
Cash provided by operating activities | 72,583 | 54,243 | 49,478
INVESTING ACTIVITIES |  |  |
Purchase of marketable securities | (241) | (4,667) |
Sale of marketable securities | 6,140 |  |
Additions to property and equipment | (4,914) | (4,309) | (2,679)
Acquisition of subsidiaries, net of cash acquired and bank indebtedness assumed (Note 3) | (71,348) | (120,853) | (82,152)
Cash used in investing activities | (70,363) | (129,829) | (84,831)
FINANCING ACTIVITIES |  |  |
Proceeds from borrowing on the credit facility | 10,801 |  | 20,000
Credit facility repayments | (10,200) |  | (63,305)
Payment of debt issuance costs | (957) |  | (386)
Issuance of common shares for cash, net of issuance costs | 145 | 158 | 140,724
Settlement of stock options (Note 16) |  | (2,590) | (405)
Cash (used in) provided by financing activities | (211) | (2,432) | 96,628
Effect of foreign exchange rate changes on cash | (1,087) | (2,822) | (5,927)
Increase (decrease) in cash | 922 | (80,840) | 55,348
Cash, beginning of year | 37,213 | 118,053 | 62,705
Cash, end of year | 38,135 | 37,213 | 118,053
Supplemental disclosure of cash flow information: |  |  |
Cash paid during the year for interest | 64 | 31 | 692
Cash paid during the year for income taxes | $ 3,861 | $ 3,533 | $ 2,983

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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3098-108585 + Details
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- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 + Details
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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. + References No definition available. + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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