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Business Segment and Geographic Reporting (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018 USD ($)	Mar. 31, 2019 USD ($) Segment	Mar. 31, 2018 USD ($)
Business Segment and Geographic Reporting (Textual)
Total revenues		$ 33,701	$ 7,195
Consolidated operating segment | Segment		1
One External Customer [Member] | Sales Revenue, Net [Member]
Business Segment and Geographic Reporting (Textual)
Concentration risk, percentage		10.00%
OEM [Member]
Business Segment and Geographic Reporting (Textual)
Total revenues	$ 1,800	$ 13,700

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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