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Segment Reporting (Tables)
3 Months Ended
Mar. 31, 2013
Summarized Information about Reported Segment

Net revenue was primarily generated from sales in the United States.

 

 

 

 

 

 

 

ZMI &
ZBC

ZND &
ZEU

ZMS

TOTAL

 

 

 

 

 

THREE MONTHS ENDED MARCH 31, 2013

 

 

 

 

Sales             

$              7,606             

$              62

$              -

$              7,668

Gross profit             

              5,430             

              47

              -

              5,477

Total assets             

              24,142             

              625

              24

              24,791

 

 

 

 

 

THREE MONTHS ENDED MARCH 31, 2012

 

 

 

 

Sales             

$              8,869             

              75

$              -             

$              8,944

Gross profit             

              7,081             

              50

              -

              7,131

Total assets             

              23,098             

              781

              9

              23,888