Note 12 - Net Income (Loss) Per Ordinary Share (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Year ended December 31,
($ in thousands)	2018		2017			2016
Numerator:
Income (loss) from continuing operations	$	12,505	$	(33,226	)	$	(21,578	)
Income (loss) from discontinued operations		108,274		341			(771	)
Net income (loss)	$	120,779	$	(32,885	)	$	(22,349	)
Denominator:
Weighted-average ordinary shares outstanding-basic		25,982,809		23,757,902			22,353,713
Dilutive effect of ordinary share equivalents resulting from ordinary share options, unvested restricted shares and RSUs		415,066		—			—
Weighted-average ordinary shares outstanding-diluted		26,397,875		23,757,902			22,353,713

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Year ended December 31,
	2018		2017		2016
Options to purchase ordinary shares		—		878,242		1,065,655
Unvested restricted shares and RSUs		—		418,518		329,465