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Commitments and Contingencies (Details) - USD ($) $ in Thousands		3 Months Ended
	Aug. 10, 2017	Mar. 31, 2018	Mar. 31, 2017
Commitments and Contingencies (Textual)
Accrue for the remaining rent under the lease term, net	$ 518
Settle and/or wrote off debt			$ 1,109
Cash payment			243
Recognized a gain			866
Severance expense		$ 75
Payables previously recorded by dissolved subsidiary			$ 693

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Amount of obligations incurred and payable classified as other.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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