RELATED PARTY TRANSACTIONS (Details) - Dr. Robert Langer - Consulting agreement - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2017
Related Party Transactions
Holding percentage of common stock			5.00%
Consulting fees per year	$ 100	$ 250
Consulting fees paid			$ 204

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