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DSIT Solutions, Ltd. ('DSIT') - DSIT Results Included in the Company's Consolidated Statements of Operations (Details) - USD ($) $ in Thousands | 4 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 21, 2016 | Dec. 31, 2016 | Dec. 31, 2016 | Dec. 31, 2015
Revenue |  |  | $ 8,659 | $ 16,548
Cost of sales |  |  | 5,134 | 10,381
Gross profit |  |  | 3,525 | 6,167
Selling, general and administrative expenses |  |  | 5,651 | 9,632
Operating income |  |  | (3,053) | (5,170)
Income before income taxes |  |  | (82) | (5,497)
Income tax expense |  |  | (19) | (209)
Net income |  |  | (119) | (10,802)
Net income attributable to non-controlling interests |  |  | (264) | (105)
Net income attributable to Acorn Energy Inc |  |  | $ 145 | (10,599)
DSIT Solutions, Ltd [Member] |  |  |  |
Revenue | $ 5,074 | $ 11,777 |  | 13,501
Cost of sales | 3,443 | 7,795 |  | 9,125
Gross profit | 1,631 | 3,982 |  | 4,376
Research and development expenses, net | 469 | 642 |  | 1,191
Selling, general and administrative expenses | 1,063 | 2,721 |  | 3,162
Operating income | 99 | 619 |  | 23
Finance expense, net | (39) | (134) |  | (112)
Income before income taxes | 60 | 485 |  | (89)
Income tax expense | (19) | 169 |  | (259)
Net income | 41 | 654 |  | (348)
Net income attributable to non-controlling interests | (9) |  |  | 49
Net income attributable to Acorn Energy Inc | $ 32 | $ 268 |  | $ (299)

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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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