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Investment in DSIT Solutions, Ltd. ('DSIT') - Schedule of Equity Investment Balance in DSIT (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 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 $ 33 33 $ 69
Impairment     (33)  
Sale of Investment in DSIT     (5,800)  
Balance at the ending