Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2015

Share-based Compensation Tables

Stock-based employee compensation expense

The following table shows the amount of share-based compensation expense included in each line item of the consolidated statements of operations for each period shown:

		Three Months Ended
Share-based compensation		March 31,
		2015		2014
Cost of product revenue	$	4,000	$	-
Research and development expense		47,000		114,000
Sales, marketing, general and administrative expense		139,000		191,000
Total share-based compensation expense	$	190,000	$	305,000

Options activity and positions

The following table summarizes shares, weighted average exercise price, weighted average remaining contractual term and aggregate intrinsic value of options outstanding and options exercisable as of March 31, 2015:

				Weighted
				Average
			Weighted	Remaining
			Average	Contractual		Aggregate
			Exercise	Term		Intrinsic
Options	Shares		Price	(years)		Value
Outstanding as of March 31, 2015	2,434,000	$	6.69	7.2	$	2,723,000
Exercisable as of March 31, 2015	1,254,000	$	11.08	5.7	$	1,019,000