Preferred Stock and Warrants (Warrants And Options Issued Outside Of The Plan For Employee Compensation) (Detail) (Warrants and Stock Options [Member], USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Warrants and Stock Options [Member]
Options and Warrants, Opening Balance	143,308
Options and Warrants, Granted	0
Options and Warrants, Exercised	0
Options and Warrants, Expired	0
Options and Warrants, Ending Balance	143	143,308
Weighted Average Exercise Price, Opening Balance	$ 2.64
Weighted Average Exercise Price, Granted	$ 0
Weighted Average Exercise Price, Exercised	$ 0
Weighted Average Exercise Price, Expired	$ 0
Weighted Average Exercise Price, Ending Balance	$ 2.64	$ 2.64
Aggregate Intrinsic Value, Opening Balance	$ 0
Aggregate Intrinsic Value, Granted	0
Aggregate Intrinsic Value, Exercised	0
Aggregate Intrinsic Value, Expired	0
Aggregate Intrinsic Value, Ending Balance	$ 0	$ 0
Weighted Average Remaining Contractual Life(Years),Outstanding	6 years 5 months 16 days	6 years 5 months 16 days
Warrants Outstanding Granted Weighted Average Remaining Contractual Term	0 years
Warrants Outstanding Exercised Weighted Average Remaining Contractual Term	0 years
Warrants Outstanding Expired Weighted Average Remaining Contractual Term	0 years