Equity (Tables)

3 Months Ended

Mar. 31, 2015

Equity [Abstract]

Summary of Stock Option Activity

A summary of the stock option activity under the Company’s plans for the three months ended March 31, 2015 is as follows:

			Weighted
	Number		average
	of		exercise
	shares		price
Options outstanding at December 31, 2014		4,012,096	$	2.04
Options granted		51,000		4.10
Less:
Options exercised		67,875		1.48
Options canceled or expired		—		—
Options outstanding at March 31, 2015		3,995,221	$	2.08

Summary of Share-Based Compensation Expense Recognized for Stock Options and Restricted Stock Included in Condensed Consolidated Statements of Income

Share-based compensation expense recognized for stock options and restricted stock and included in the condensed consolidated statements of income was allocated as follows:

	Three months ended March 31,
(In thousands)	2015		2014
Research and development expense	$	55	$	42
General, and administrative expense		287		47
Total share-based compensation expense	$	342	$	89