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Deferred Gross Profit (Tables) | 3 Months Ended
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Mar. 31, 2014
Deferred Gross Profit [Abstract] |
Deferred Gross Profit [Table Text Block] | Deferred gross profit consists of the following (in thousands):
| March 31, 2014 |  | December 31, 2013
Sales of medication and supply dispensing systems and packaging equipment, delivered and invoiced but not yet installed | $ | 36,151 |  |  | $ | 29,040 |
Cost of revenues, excluding installation costs | (11,045 | ) |  | (9,083 | )
Deferred gross profit | $ | 25,106 |  |  | $ | 19,957 |

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