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Deferred Gross Profit (Tables)
 12 Months Ended
Dec. 31, 2013
Deferred Gross Profit [Abstract]  
Deferred Revenue, by Arrangement, Disclosure [Table Text Block]
Deferred gross profit consists of the following (in thousands):

December 31,
2013
 
December 31,
2012
Sales of medication and supply dispensing systems and packaging equipment, which have been delivered and invoiced but not yet installed
$
29,040

 
$
30,138

Cost of revenues, excluding installation costs
(9,083
)
 
(9,366
)
Deferred gross profit
$
19,957

 
$
20,772