Note 2 - Acquisitions	3 Months Ended
Jun. 30, 2015
Disclosure Text Block Supplement [Abstract]
Mergers, Acquisitions and Dispositions Disclosures [Text Block]	Note 2 – Acquisitions We did not make any acquisitions during the three months ended June 30, 2015. In July 2015, we completed a business combination (the “Infitrak Acquisition”) whereby we acquired all of the common stock of 2396081 Ontario Inc. and its wholly owned operating subsidiary, Infitrak Inc. (collectively “Infitrak”), a company whose business provides consulting, packaging and measuring solutions for cold chain applications. The purchase price for the common stock of Infitrak was $12,000,000 CDN (approximately $9,600,000 USD), consisting of a cash payment of $11,000,000 CDN at closing with the remaining $1,000,000 CDN due at the one year anniversary of the closing date, subject to a working capital adjustment. In addition, the Infitrak acquisition agreement provides for contingent consideration of up to $15,000,000 CDN (approximately $12,000,000 USD) based upon the growth of the Infitrak cold chain business during the first two years subsequent to the acquisition.

Note 2 - Acquisitions

3 Months Ended

Jun. 30, 2015

Disclosure Text Block Supplement [Abstract]

Mergers, Acquisitions and Dispositions Disclosures [Text Block]

Note 2 – Acquisitions

We did not make any acquisitions during the three months ended June 30, 2015.

In July 2015, we completed a business combination (the “Infitrak Acquisition”) whereby we acquired all of the common stock of 2396081 Ontario Inc. and its wholly owned operating subsidiary, Infitrak Inc. (collectively “Infitrak”), a company whose business provides consulting, packaging and measuring solutions for cold chain applications. The purchase price for the common stock of Infitrak was $12,000,000 CDN (approximately $9,600,000 USD), consisting of a cash payment of $11,000,000 CDN at closing with the remaining $1,000,000 CDN due at the one year anniversary of the closing date, subject to a working capital adjustment. In addition, the Infitrak acquisition agreement provides for contingent consideration of up to $15,000,000 CDN (approximately $12,000,000 USD) based upon the growth of the Infitrak cold chain business during the first two years subsequent to the acquisition.