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Investment in DSIT Solutions, Ltd. ('DSIT') - Schedule of Equity Investment Balance in DSIT (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Investment In Dsit Solutions Ltd.
Balance at the Beginning			$ 5,800
Acorn's share of net income in DSIT for the period from January 1, 2018 to the Closing Date		$ 189	33	$ 258
Impairment			(33)
Sale of Investment in DSIT			(5,800)
Balance at the ending

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