Note 8 - Accounting Standards Issued But Not Yet Effective (Details Textual) - CAD ($) $ in Thousands	Apr. 01, 2019	Mar. 31, 2019
Statement Line Items [Line Items]
Total lease liabilities		$ 21,243
Increase (decrease) due to changes in accounting policy required by IFRSs [member] \| IFRS 16 [member]
Statement Line Items [Line Items]
Right-of-use assets	$ 18,500
Total lease liabilities	$ 18,500

The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2019-01-01
-Name IFRS
-Number 16
-IssueDate 2017-01-01
-Paragraph 53
-Subparagraph j
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=16&date=2017-03-01&anchor=para_53_j&doctype=Standard
-URIDate 2017-03-09

Name:	ifrs-full_RightofuseAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant