Note 12 - Income Tax Charge / (Credit) (Tables)

12 Months Ended

Mar. 31, 2018

Statement Line Items [Line Items]

Disclosure of detailed information about income tax [text block]

	YEAR ENDED MARCH 31, 2018 $000’s			YEAR ENDED MARCH 31, 2017 $000’s			YEAR ENDED MARCH 31, 2016 $000’s
Current tax		2,019			352			(1,864	)
Deferred tax		(11,034	)		(1,213	)		210
TAX CREDIT		(9,015	)		(861	)		(1,654	)

Disclosure of components of tax credit [text block]

	YEAR ENDED MARCH 31, 2018 $000’s			YEAR ENDED MARCH 31, 2017 $000’s			YEAR ENDED MARCH 31, 2016 $000’s
Loss before tax		(22,890	)		(14,890	)		(77,181	)
Tax at UK corporation rate of 19% (2017: 20%)		(4,336	)		(2,978	)		(15,437	)
Adjustment for overseas tax rate		(4,557	)		24,741			(12,127	)
Tax effect of expense not deductible in determining taxable profit / (loss)		7,834			444			1,392
Recognition of previously unrecognized deferred tax asset		(18,354	)		(23,852	)		—
Deferred tax not recognized		—			—			13,794
Reduced tax in subsidiaries operating in other jurisdictions		—			—			(1,103	)
Impact of share-based payments		—			368			1,141
Adjustment in respect to prior years		—			416			(3,064	)
Non-deductible impairment expense		—			—			13,750
Tax reform – Tax rate change		9,829			—			—
Tax reform – Section 965 transition tax		569			—			—
TAX CREDIT		(9,015	)		(861	)		(1,654	)