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Investment in Lease (Details)
$ in Thousands
Sep. 30, 2018
USD ($)
Investments, All Other Investments [Abstract]  
Investment in lease, gross $ 1,038
Unearned income (228)
Total investment in lease, net 810
Noncurrent portion 246
Noncurrent portion 564
2019 378
2020 378
2021 $ 282