Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Consolidated Statements of Cash Flows (Parenthetical)

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Consolidated Statements of Cash Flows (Parenthetical) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
(a) Proceeds from sale of investments in previously consolidated subsidiary:      
Working capital (excluding cash and cash equivalents) $ (53)
Treasury shares deduction, net 132
Non-controlling interests 52
Gain (loss) from sale of subsidiaries 769
Long term investments (922)
Total subsidiaries' assets and liabilities $ (22)