Subsequent Events (Narrative) (Details) - DXI Subsequent Event	1 Months Ended
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.

Describes the event or transaction that occurred between the balance sheet date and the date the financial statements are issued or available to be issued.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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