CONDENSED CONSOLIDATED STATEMENTS OF EQUITY AND COMPREHENSIVE LOSS (unaudited) (USD $) In Thousands	Total USD ($)		Common Stock USD ($)	Additional Paid-in Capital USD ($)	Treasury Stock USD ($)	Accumulated Deficit USD ($)	Other Accumulated Comprehensive Income USD ($)	Noncontrolling Interest USD ($)	Comprehensive Loss USD ($)	Private Placement USD ($)	Private Placement Common Stock USD ($)	Private Placement Additional Paid-in Capital USD ($)	Settlement Of Preacquisition Liabilities USD ($)	Settlement Of Preacquisition Liabilities Common Stock	Settlement Of Preacquisition Liabilities Additional Paid-in Capital USD ($)	Capital Raise USD ($)	Capital Raise Common Stock USD ($)	Capital Raise Additional Paid-in Capital USD ($)	Earnout Agreement USD ($)	Earnout Agreement Common Stock	Earnout Agreement Additional Paid-in Capital USD ($)
Beginning Balances at Dec. 31, 2009	$ 37,940		$ 26	$ 253,910	$ (2,777)	$ (216,378)	$ 3,159
Beginning Balances (in shares) at Dec. 31, 2009			25,753
Issuance of common stock in connection with acquisitions (in shares)			17,900
Issuance of common stock in connection with acquisitions	38,776		18	38,758
Fair value of stock options converted in connection with Bluehill ID acquisition	3,007			3,007
Assumption of treasury stock in connection with Bluehill ID Acquisition	(2,880)				(2,880)
Repurchase of treasury stock in connection with Bluehill ID acquisition	2,478			(402)	2,880
Issuance of common shares to acquire additional noncontrolling interest in a subsidiary (in shares)			88
Issuance of common shares to acquire additional noncontrolling interest in a subsidiary				199				(199)
Issuance of common stock in connection with stock bonus and incentive plans (in shares)			99
Issuance of common stock in connection with stock bonus and incentive plans	174			174
Issuance of common stock to affiliates for conversion of loan (in shares)			181
Issuance of common stock to affiliates for conversion of loan	291			291
Issuance of common stock upon exercise of options (in shares)			7
Issuance of common stock upon exercise of options	11			11
Stock options compensation expense	330			330
Noncontrolling interest in a subsidiary	3,057							3,057
Issuance of common stock for settlement of pre-acquisition liabilities and earn-out agreements, net of issuance costs													343		343
Comprehensive loss:
Net loss	(10,148)					(9,518)		(630)	(10,148)
Foreign currency translation adjustment	(3,161)						(2,836)	(325)	(3,161)
Comprehensive loss									(13,309)
Issuance of common stock in connection with capital raise, net of issuance costs (in shares)											4,098
Issuance of common stock in connection with capital raise, net of issuance costs										9,586	4	9,582
Issuance of common stock for settlement of pre-acquisition liabilities and earn-out agreements, net of issuance costs (in shares)														150
Ending Balances at Dec. 31, 2010	79,804	[1]	48	306,203	(2,777)	(225,896)	323	1,903
Ending Balances (in shares) at Dec. 31, 2010			48,276
Issuance of common stock in connection with acquisitions (in shares)			996
Issuance of common stock in connection with acquisitions	3,024		1	3,023
Issuance of common shares to acquire additional noncontrolling interest in a subsidiary (in shares)			3
Issuance of common shares to acquire additional noncontrolling interest in a subsidiary				8				(8)
Issuance of common stock in connection with stock bonus and incentive plans (in shares)			550
Issuance of common stock in connection with stock bonus and incentive plans	1,434		1	1,433
Issuance of common stock upon exercise of warrants (in shares)			406
Issuance of common stock upon exercise of warrants	1,075			1,075
Issuance of common stock upon exercise of options (in shares)			21
Issuance of common stock upon exercise of options	57			57
Stock options compensation expense	242			242
ESPP compensation expense	84			84
Stock options grants in connection with stock bonus and incentive plans	610			610
Noncontrolling interest in a subsidiary	468							468
Issuance of common stock for settlement of pre-acquisition liabilities and earn-out agreements, net of issuance costs	(316)																		316		316
Comprehensive loss:
Net loss	(7,441)					(7,105)		(336)	(7,441)
Foreign currency translation adjustment	2,712						2,753	(41)	2,712
Comprehensive loss									(4,729)
Issuance of common stock in connection with capital raise, net of issuance costs (in shares)																	7,843
Issuance of common stock in connection with capital raise, net of issuance costs																18,212	8	18,204
Issuance of common stock for settlement of pre-acquisition liabilities and earn-out agreements, net of issuance costs (in shares)																				137
Ending Balances at Sep. 30, 2011	$ 100,597		$ 58	$ 331,255	$ (2,777)	$ (233,001)	$ 3,076	$ 1,986
Ending Balances (in shares) at Sep. 30, 2011			58,232

[1] The condensed consolidated balance sheet has been derived from the audited consolidated financial statements at December 31, 2010 but does not include all the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements.