Note 20 - Deferred Tax (Tables)

12 Months Ended

Mar. 31, 2018

Statement Line Items [Line Items]

Disclosure of temporary difference, unused tax losses and unused tax credits [text block]

	ASSETS MARCH 31, 2018 $000’ s			ASSETS MARCH 31, 2017 $000’ s			LIABILITIES MARCH 31, 2018 $000’ s			LIABILITIES MARCH 31, 2017 $000’ s		NET MARCH 31, 2018 $000’ s			NET MARCH 31, 2017 $000’ s
Property, plant and equipment and intangible assets		(2,987	)		(4,606	)		18,186			3,422		15,199			(1,184	)
Tax credit and losses carry forward		(37,655	)		(13,080	)		—			—		(37,655	)		(13,080	)
Share-based payments		(53	)		(583	)		—			—		(53	)		(583	)
Other deductible temporary differences		(2,369	)		(1,002	)		—			441		(2,369	)		(561	)
Deferred tax (assets) / liabilities		(43,064	)		(19,271	)		18,186			3,863		(24,878	)		(15,408	)
Offset tax		13,774			—			(13,774	)		—		—			—
Net deferred tax (assets) / liabilities		(29,290	)		(19,271	)		4,412			3,863		(24,878	)		(15,408	)

	BALANCE AT MARCH 31, 2017 $000’s			RECOGNIZED IN INCOME $000’s			RECOGNIZED IN GOODWILL $000’s			BALANCE AT MARCH 31, 2018 $000’s
Property, plant and equipment and intangible assets		(1,184	)		6,297			10,086			15,199
Tax credit and losses carry-forward		(13,080	)		(15,617	)		(8,958	)		(37,655	)
Share-based payments		(583	)		530			—			(53	)
Other deductible temporary differences		(561	)		(2,244	)		436			(2,369	)
		(15,408	)		(11,034	)		1,564			(24,878	)