Condensed Consolidated Statements of Equity (Unaudited) (USD $) In Thousands, except Share data	Total	Series A convertible preferred stock	Common stock	Additional paid-in capital	Accumulated other comprehensive income	Accumulated deficit	Noncontrolling interests
Beginning Balances at Dec. 31, 2009	$ 160,918		$ 42	$ 230,512	$ 76	$ (71,415)	$ 1,703
Beginning Balances, shares at Dec. 31, 2009			42,455,531
Vesting of restricted stock units	1		1
Vesting of restricted stock units, shares			108,086
Stock-based compensation	1,038			1,038
Net income (loss)	(3,774)					(4,031)	257
Cumulative translation adjustment	447				372		75
Ending Balances at Jun. 30, 2010	158,630		43	231,550	448	(75,446)	2,035
Ending Balances, shares at Jun. 30, 2010			42,563,617
Beginning Balances at Dec. 31, 2010	158,119		43	234,125	1,126	(76,584)	(591)
Beginning Balances, shares at Dec. 31, 2010			42,616,950
Vesting of restricted stock units, shares			109,957
Stock-based compensation	688			688
Common stock issued for payment of bonus	125			125
Common stock issued for payment of bonus, shares			34,115
Issuance of Series A convertible preferred stock in connection with the acquisition of StarTrak	1,834	1,834
Issuance of Series A convertible preferred stock in connection with the acquisition of StarTrak, shares		183,550
Issuance of common stock in connection with the acquisition of Subsidiary	8,349		3	8,346
Issuance of common stock in connection with the acquisition of StarTrak, shares			2,869,172
Payment for exercise of SARs	(24)			(24)
Net income (loss)	(1,302)					(1,272)	(30)
Cumulative translation adjustment	(112)				80		(192)
Ending Balances at Jun. 30, 2011	$ 167,677	$ 1,834	$ 46	$ 243,260	$ 1,206	$ (77,856)	$ (813)
Ending Balances, shares at Jun. 30, 2011		183,550	45,630,194