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Note Receivable - Schedule of Note Receivable (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Mar. 31, 2018
Current assets    
Note receivable, current $ 3,000 $ 3,000
Note receivable, current portion 3,000 3,000
Long term assets    
Note receivable, long term 3,000 3,000
Note receivable discount (280) (336)
Deferred gain on sale 0 (105)
Note receivable $ 2,720 $ 2,559