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Comprehensive Loss
 6 Months Ended
Jun. 30, 2011
Comprehensive Loss [Abstract]  
Comprehensive Income (Loss) Note [Text Block]
Comprehensive Income (Loss)


The following table summarizes the components of comprehensive income (loss) (in thousands):


 
Three months ended
 
Six months ended
 
June 30,
 
June 30,
 
2011
 
2010
 
2011
 
2010
 
 
 
 
 
 
 
 
Net income (loss)
$
(1,866
)
 
$
3,367


 
$
(2,410
)
 
$
7,709


Unrealized loss from available-for-sale securities
3


 
16


 
(1
)
 
15


Foreign currency translation gain (loss)
6,244


 
(3,953
)
 
10,125


 
(9,116
)
Comprehensive income (loss)
4,381


 
(570
)
 
7,714


 
(1,392
)
Less: comprehensive income attributable to noncontrolling interests
—


 
(99
)
 
—


 
297


Comprehensive income (loss) attributable to MRV
$
4,381


 
$
(471
)
 
$
7,714


 
$
(1,689
)