| Maintenance and Warranty (Details Textual) $ in Thousands | 9 Months Ended | 
|---|---|
| Sep. 30, 2016  USD ($) | |
| Cost of Property Repairs and Maintenance | $ 911 | 
| X | ||||||||||
| 
- Definition The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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