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Deferred Gross Profit (Tables)
 9 Months Ended
Sep. 30, 2012
Deferred Gross Profit[Abstract]  
Deferred Gross Profit [Table Text Block]
Deferred gross profit consists of the following (in thousands):

September 30,
2012

December 31,
2011
Sales of medication and supply dispensing systems and packaging equipment, which have been delivered and invoiced but not yet installed
$
28,984


$
24,181

Cost of revenues, excluding installation costs
(9,397
)

(9,971
)
Deferred gross profit
$
19,587


$
14,210