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v3.6.0.2

Income taxes (Details 2) | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Israeli tax provision at statutory rate | 25.00% | 26.50% | 26.50%
Foreign/state rate differences | (0.32%) | (0.22%) | 0.00%
Non-deductible stock based compensation | (1.11%) | (4.53%) | (2.54%)
Previous years taxes | (0.47%) | 0.00% | 0.00%
Differences form which deferred taxes were not recorded | 0.19% | 0.20% | 0.00%
Changes in valuation allowance | (18.39%) | (22.02%) | (5.35%)
Adjustment of deferred taxes due to tax rate changes | (5.89%) | 0.00% | 0.00%
Other permanent differences | (0.38%) | (0.09%) | (18.61%)
Effective Income Tax Rate Reconciliation, Percent | (1.37%) | (0.16%) | 0.00%

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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319 + Details
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