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Note 2 - Acquisitions (Details)			1 Months Ended	3 Months Ended
	Jul. 31, 2015 USD ($)	Jul. 31, 2015 CAD	Jul. 31, 2015 USD ($)	Jun. 30, 2015	Jul. 31, 2015 CAD
Note 2 - Acquisitions (Details) [Line Items]
Number of Businesses Acquired				0
Infitrak Acquisition [Member] | Subsequent Event [Member]
Note 2 - Acquisitions (Details) [Line Items]
Business Combination, Consideration Transferred	$ 9,600,000	CAD 12,000,000
Payments to Acquire Businesses, Gross		11,000,000
Business Combination, Consideration Transferred, Liabilities Incurred		CAD 1,000,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	$ 12,000,000		$ 12,000,000		CAD 15,000,000
Business Acquisition Earn Out Period for Determination of Contingent Consideration			2 years

X

- Definition

Represents the earn-out period over which the revenue growth will be assessed to determine the contingent consideration payable.

+ References

No definition available.

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- References

No definition available.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 805



-SubTopic 30



-Section 30



-Paragraph 7



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-Paragraph 1



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- Definition

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

+ References

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-Publisher FASB



-Name Accounting Standards Codification



-Topic 805



-SubTopic 30



-Section 25



-Paragraph 5



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X

- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

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X

- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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-Publisher FASB



-Name Accounting Standards Codification



-Glossary Investing Activities



-URI http://asc.fasb.org/extlink&oid=6516133



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-SubTopic 10



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-Paragraph 13



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