Quarterly report pursuant to Section 13 or 15(d)

Stock Plans (Details 2)

Stock Plans (Details 2) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Outstanding at Beginning of Period	65
Shares, Granted	0
Shares, Released	(65)
Shares, Expired or cancelled	0
Shares, Forfeited	0
Shares, Outstanding at End of Period	0	65
Shares, Exercisable at September 30, 2015	0
Weighted Average Exercise Price, Outstanding at Beginning of Period	$ 0
Weighted Average Exercise Price, Granted	0
Weighted Average Exercise Price, Released	0
Weighted Average Exercise Price, Expired or cancelled	0
Weighted Average Exercise Price, Forfeited	0
Weighted Average Exercise Price, Outstanding at End of Period	0	$ 0
Weighted Average Exercise Price, Exercisable at September 30, 2015	$ 0
Weighted Average Remaining Option Term, Outstanding	0 years	9 years 1 month 13 days
Weighted Average Remaining Option Term, Exercisable at September 30, 2015	0 years
Aggregate Intrinsic Value, Outstanding	$ 0	$ 166
Aggregate Intrinsic Value, Exercisable at September 30, 2015	$ 0
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Outstanding at Beginning of Period	1,204
Shares, Granted	250
Shares, Exercised	0
Shares, Expired or cancelled	(20)
Shares, Forfeited	0
Shares, Outstanding at End of Period	1,434	1,204
Shares, Exercisable at September 30, 2015	1,311
Weighted Average Exercise Price, Outstanding at Beginning of Period	$ 6.75
Weighted Average Exercise Price, Granted	3.3
Weighted Average Exercise Price, Exercised	0
Weighted Average Exercise Price, Expired or cancelled	13.27
Weighted Average Exercise Price, Forfeited	0
Weighted Average Exercise Price, Outstanding at End of Period	6.06	$ 6.75
Weighted Average Exercise Price, Exercisable at September 30, 2015	$ 6.32
Weighted Average Remaining Option Term, Outstanding	5 years 4 months 2 days	5 years 1 month 20 days
Weighted Average Remaining Option Term, Exercisable at September 30, 2015	4 years 11 months 16 days
Aggregate Intrinsic Value, Outstanding	$ 202	$ 1
Aggregate Intrinsic Value, Exercisable at September 30, 2015	$ 111