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DSIT Solutions, Ltd. ('DSIT') - Schedule of Equity Investment Balance in DSIT (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Net income (loss) before income taxes for reportable segments |  |
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
Impairment |  | (33)
Sale of Investment in DSIT |  | (5,800)
Balance at the ending |  |

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