Consolidated Statements Of Stockholders' Equity Deficiency (USD $) In Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Deficit [Member]	Non-Controlling Interest [Member]	Total
Balance at Dec. 31, 2009	$ 720	$ 399	$ 14,814	$ (19,078)	$ 322	$ (2,823)
Balance, shares at Dec. 31, 2009	14	39,869
Net loss				(10,426)	(44)	(10,470)
Shares issued in connection with private transactions		58	1,392			1,450
Shares issued in connection with private transactions, shares		5,800
Conversion of note payable to common stock		63	2,137			2,200
Conversion of note payable to common stock, shares		6,286
Compensatory stock issued to employees		22	132			154
Compensatory stock issued to employees, shares		2,200
Compensatory stock issued to non-employee directors		13	75			88
Compensatory stock issued to non-employee directors, shares		1,250
Stock issued in exchange for consulting services		555
Stock issued in exchange for consulting services, shares		5	131			136
Warrants issued to employees			524			524
Warrants and/or options issued to non-employees for services			119			119
Warrants issued in connection with debt financings			1,107			1,107
Shares issued in lieu of cash interest payment		5	82			87
Shares issued in lieu of cash interest payment, shares		500
Warrants issued to client			917			917
Purchase of non-controlling interest			(170)		(278)	(448)
Sale of a subsidiary		(21)	(480)	541		40
Sale of a subsidiary, shares		(2,100)
Issuance of stock options			178			178
Balance at Dec. 31, 2010	720	544	20,958	(28,963)		(6,741)
Balance, shares at Dec. 31, 2010	14	54,360
Net loss				(14,088)		(14,088)
Shares issued in connection with private transactions		39	979			1,018
Shares issued in connection with private transactions, shares		3,933
Stock issued in exchange for consulting services		2	44			46
Stock issued in exchange for consulting services, shares		250
Warrants issued to employees			1,666			1,666
Warrants and/or options issued to non-employees for services			145			145
Warrants issued in connection with debt financings			200			200
Beneficial conversion in connection with debt financings			192			192
Conversion of Series C preferred stock to common stock	(198)	13	185
Conversion of Series C preferred stock to common stock, shares	(4)	1,254
Reacquisition and cancellation of common stock		(6)	(144)			(150)
Reacquisition and cancellation of common stock, shares		(545)
Issuance of stock options			1,230			1,230
Balance at Dec. 31, 2011	$ 522	$ 592	$ 25,455	$ (43,051)		$ (16,482)
Balance, shares at Dec. 31, 2011	10	59,252