Note 8 - Net Loss Per Share

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Earnings Per Share [Text Block]

8. Net loss per share

The following numbers of outstanding ordinary share options, ordinary share warrants and preferred ordinary shares (on an “as converted to ordinary shares” basis) were excluded from the computation of diluted net loss per share for the periods presented because their effect would have been anti-dilutive:

	Three months ended June 30,				Six months ended June 30,
	2014		2013		2014		2013
Options to purchase ordinary shares		1,189,782		976,892		1,202,161		976,892
Ordinary share warrant		—		220,595		—		220,595
Preferred ordinary shares (as converted)		—		8,267,787		—		8,267,787
Unvested restricted shares		254,700		—		254,700		—