Quarterly report pursuant to Section 13 or 15(d)

Stock Plans (Details 2)

Stock Plans (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Outstanding at Beginning of Period	359
Shares, Granted	0
Shares, Released	(359)
Shares, Expired or cancelled	0
Shares, Forfeited	0
Shares, Outstanding at End of Period	0	359
Shares, Exercisable at March 31, 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 March 31, 2015	$ 0
Weighted Average Remaining Option Term, Outstanding	0 years	9 years 1 month 13 days
Weighted Average Remaining Option Term, Exercisable at March 31, 2015	0 years
Aggregate Intrinsic Value, Outstanding	$ 0	$ 166
Aggregate Intrinsic Value, Exercisable at March 31, 2015	0
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Outstanding at Beginning of Period	6,620
Shares, Granted	1,374
Shares, Exercised	0
Shares, Expired or cancelled	(70)
Shares, Forfeited	0
Shares, Outstanding at End of Period	7,924	6,620
Shares, Exercisable at March 31, 2015	7,250
Weighted Average Exercise Price, Outstanding at Beginning of Period	$ 1.23
Weighted Average Exercise Price, Granted	$ 0.60
Weighted Average Exercise Price, Exercised	$ 0
Weighted Average Exercise Price, Expired or cancelled	$ 2.62
Weighted Average Exercise Price, Forfeited	$ 0
Weighted Average Exercise Price, Outstanding at End of Period	$ 1.11	$ 1.23
Weighted Average Exercise Price, Exercisable at March 31, 2015	$ 1.15
Weighted Average Remaining Option Term, Outstanding	5 years 9 months 25 days	5 years 1 month 20 days
Weighted Average Remaining Option Term, Exercisable at March 31, 2015	5 years 5 months 5 days
Aggregate Intrinsic Value, Outstanding	178	1
Aggregate Intrinsic Value, Exercisable at March 31, 2015	$ 97