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Discontinued Operations (Tables) | 12 Months Ended
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Dec. 31, 2017
Discontinued Operations and Disposal Groups [Abstract] |
Disposal Groups, Including Discontinued Operations [Table Text Block] | The following is a summary of revenue and expenses of OMHHF for the years ended December 31, 2017, 2016 and 2015:
(Expressed in thousands) |  |  |  |  |
| For the Years Ended December 31,
| 2017 |  | 2016 |  | 2015
REVENUE |  |  |  |  |
Interest | $ | 8 |  |  | $ | 943 |  |  | $ | 1,999 |
Principal transactions, net | — |  |  | (9,022 | ) |  | 5,323 |
Gain on sale of assets | — |  |  | 16,475 |  |  | — |
Other (1) | 2,165 |  |  | 16,917 |  |  | 23,262 |
Total revenue | 2,173 |  |  | 25,313 |  |  | 30,584 |
EXPENSES |  |  |  |  |
Compensation and related expenses | 18 |  |  | 4,311 |  |  | 12,406 |
Communications and technology | 27 |  |  | 221 |  |  | 361 |
Occupancy and equipment costs | — |  |  | 415 |  |  | 302 |
Interest | 12 |  |  | 408 |  |  | 994 |
Other | 45 |  |  | 2,619 |  |  | 7,382 |
Total expenses | 102 |  |  | 7,974 |  |  | 21,445 |
Income before income taxes | $ | 2,071 |  |  | $ | 17,339 |  |  | $ | 9,139 |
Income attributable to noncontrolling interest before income taxes | $ | 338 |  |  | $ | 2,830 |  |  | $ | 1,491 |
(1) | Other revenue for the year ended December 31, 2017 was primarily due to an earn-out from the sale of OMHHF's pipeline business in 2016.
The following is a summary of cash flows of OMHHF for the years ended December 31, 2017, 2016 and 2015:
(Expressed in thousands) |  |  |  |  |
| For the Years Ended December 31,
| 2017 |  | 2016 |  | 2015
Cash provided by (used in) operating activities | $ | 5,721 |  |  | $ | (14,097 | ) |  | $ | 3,322 |
Cash provided by investing activities | — |  |  | 45,448 |  |  | — |
Cash used in financing activities (1) (2) | (20,035 | ) |  | (35,421 | ) |  | (249 | )
Net (decrease) increase in cash and cash equivalents | $ | (14,314 | ) |  | $ | (4,070 | ) |  | $ | 3,073 |
(1) | Includes cash dividends paid to OMHHF's parent (E.A. Viner International Co.) and noncontrolling interest of $12.6 million and $2.4 million, respectively, for the year ended December 31, 2017 ($29.4 million and $5.7 million, respectively, for the year ended December 31, 2016.)
(2) | Includes $5.0 million paid to OMHHF's parent due to redemption of the parent's outstanding preferred stock for the year ended December 31, 2017.

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- Definition Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=65878427&loc=SL51721533-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721665-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1474-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721683-107760 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=84176398&loc=SL51724579-110230 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5C -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721675-107760 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 4A -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721663-107760 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2941-110230 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721659-107760 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5A -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721671-107760 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5D -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721677-107760 + Details
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