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Subsequent Events (Narrative) (Details) - DXI Subsequent Event | 1 Months Ended
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Apr. 30, 2018
Subsequent Event, Date | Apr. 30, 2018
Subsequent Event, Description | In April 2018, the Company entered into an asset purchase agreement with MarianaIQ, Inc. The total aggregate purchase price was $3.5 million, consisting of approximately $2.6 million paid at closing and $0.9 million in cash deposited into escrow to be held for fifteen months as security against indemnity claims made by the Company after the closing date.

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