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Assets for Lease, net (Detail Textuals) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Leases, Capital [Abstract]        
Depreciation expense $ 101 $ 85 $ 198 $ 171
Reduction to accumulated depreciation for returned items 28 38 61 93
Loss on disposal of assets for lease $ 38 $ 55 $ 107 $ 142