CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2013
Cash flows from operating activities:
Net income	$ 12,946us-gaap_NetIncomeLoss	$ 6,386us-gaap_NetIncomeLoss	$ 6,639us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,759us-gaap_DepreciationAndAmortization	6,069us-gaap_DepreciationAndAmortization	4,989us-gaap_DepreciationAndAmortization
Provision for doubtful accounts and sales adjustments	854us-gaap_ProvisionForDoubtfulAccounts	1,054us-gaap_ProvisionForDoubtfulAccounts	737us-gaap_ProvisionForDoubtfulAccounts
Tax benefit from reversal of deferred tax valuation allowance	0	0	(225)
Loss on disposal of property and equipment	8us-gaap_GainLossOnDispositionOfAssets	0us-gaap_GainLossOnDispositionOfAssets	7us-gaap_GainLossOnDispositionOfAssets
Deferred income taxes	(905)qada_DeferredIncomeTaxExpensesBenefit	623qada_DeferredIncomeTaxExpensesBenefit	458qada_DeferredIncomeTaxExpensesBenefit
Change in fair value of a derivative instrument	877	(634)	384
Stock compensation expense	4,993us-gaap_ShareBasedCompensation	4,680us-gaap_ShareBasedCompensation	4,608us-gaap_ShareBasedCompensation
Excess tax benefits from stock awards	(266)	(72)	(462)
Adjustment of contingent liability associated with acquisitions	42	(279)	0
Changes in assets and liabilities, net of effects from acquisitions:
Accounts receivable	(11,236)	(1,247)	(6,767)
Other assets	(431)	(197)	(1,668)
Accounts payable	2,568	(1,260)	2,142
Deferred revenue	4,912	4,753	5,669
Other liabilities	3,576	4,264	(472)
Net cash provided by operating activities	23,697	24,140	16,039
Cash flows from investing activities:
Purchase of property and equipment	(4,577)	(4,779)	(3,071)
Acquisition of businesses, net of cash acquired	0	0	(7,817)
Capitalized software costs	(311)	(366)	(492)
Other, net	9	33	(1)
Net cash used in investing activities	(4,879)	(5,112)	(11,381)
Cash flows from financing activities:
Repayments of debt	(388)us-gaap_RepaymentsOfDebt	(372)us-gaap_RepaymentsOfDebt	(312)us-gaap_RepaymentsOfDebt
Dividends paid	(4,452)us-gaap_PaymentsOfDividendsCommonStock	(5,304)us-gaap_PaymentsOfDividendsCommonStock	(8,076)us-gaap_PaymentsOfDividendsCommonStock
Tax payments, net of proceeds, related to stock awards	(2,557)	(1,286)	(1,185)
Payment of contingent liability associated with acquisitions	(471)	0	0
Proceeds from issuance of common stock, net of issuance cost	37,046	0	0
Excess tax benefits from stock awards	266	72	462
Repurchase of common stock	0	(686)	(7,530)
Net cash provided by (used in) financing activities	29,444	(7,576)	(16,641)
Effect of exchange rates on cash and equivalents	(3,720)	(477)	65
Net increase (decrease) in cash and equivalents	44,542	10,975	(11,918)
Cash and equivalents at beginning of year	75,984	65,009	76,927
Cash and equivalents at end of year	120,526	75,984	65,009
Cash paid during the period for:
Interest	735us-gaap_InterestPaid	726us-gaap_InterestPaid	908us-gaap_InterestPaid
Income taxes, net of refunds	3,284us-gaap_IncomeTaxesPaidNet	2,869us-gaap_IncomeTaxesPaidNet	5,552us-gaap_IncomeTaxesPaidNet
Supplemental disclosure of non-cash activities:
Obligations associated with dividend declaration	0	0	1,087
Dividends paid in stock	0	145	622
Obligations associated with acquisitions	$ 0	$ 0	$ 1,392

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- Definition

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

+ References

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

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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

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

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- Definition

Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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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)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.5)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 5

-Article 5

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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.

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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.

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- Definition

Value of stock issued to shareholders as a dividend during the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29-31)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30, 31

-Article 5

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