Leases (Details Textual)
|3 Months Ended|
Mar. 31, 2019
|Lease term, Description||Lease terms are generally three years to seven years for warehouses, office space and retail store locations, and up to seven years for other leased equipment and property.|
|Description of Operating finance lease agreements||the Operating Company's finance lease agreements are fixed for terms ranging from three to five years.|
|Rental income||$ 193,000|
Description of lessee's operating lease.
Reference 1: http://www.xbrl.org/2003/role/disclosureRef