Share-based Compensation

3 Months Ended

Mar. 31, 2016

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Share-based Compensation

(8) Share-based Compensation

For the three month periods ended March 31, 2016 and 2015, the Company recognized the following non-cash, share-based compensation expense in the statements of operations (in thousands):

	Three Months Ended March 31,
	2016		2015
Research and development	$	42	$	42
General and administrative		113		88
Total	$	155	$	130

Stock option transactions for the three month period ended March 31, 2016 under the Company’s stock incentive plans were as follows:

	Number of Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)
Options outstanding at December 31, 2015		161,278		$	18.30		6.97
Granted		32,000			3.44
Exercised	—			—
Forfeited and cancelled		(18,237	)		28.94
Options outstanding at March 31, 2016		175,041		$	14.48		7.93
Options exercisable at March 31, 2016		114,852		$	17.94		7.49
Options vested and expected to vest		174,914		$	14.48		7.93

Stock award transactions for the three month period ended March 31, 2016 under the Company’s stock incentive plans were as follows:

	Number of Shares			Weighted Average Grant Date Fair Value
Restricted stock units outstanding at December 31, 2015		62,359		$	8.36
Granted		—			—
Vested and released		(5,430	)		13.65
Forfeited and cancelled		(471	)		4.69
Restricted stock units outstanding at March 31, 2016		56,458		$	7.88