Note 3 - Significant Accounting Policies - Property, Plant and Equipment Useful Life (Details)	12 Months Ended
Mar. 31, 2018
Fixtures, fittings, office and computer equipment [member]
Statement Line Items [Line Items]
Useful life	Over 3-5
Leasehold improvements [member]
Statement Line Items [Line Items]
Useful life	Over shorter of economic life or lease term

The useful lives or depreciation rates used for property, plant and equipment. [Refer: Property, plant and equipment]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2017-01-01
-Paragraph 73
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_c&doctype=Standard
-URIDate 2017-03-09

Name:	ifrs-full_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration