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Note 2 - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Allowance for Credit Losses on Financing Receivables [Table Text Block] |
|  | December 31,
|  | 2017 |  | 2016 |  | 2015
Balance, beginning of the year |  | $ | 194 |  |  | $ | 167 |  |  | $ | 147 |
Amounts provided |  |  | 1,609 |  |  |  | 52 |  |  |  | 38 |
Amounts written off |  |  | (6 | ) |  |  | (16 | ) |  |  | (3 | )
Translation adjustments |  |  | 117 |  |  |  | (9 | ) |  |  | (15 | )
Balance, end of the year |  | $ | 1,914 |  |  | $ | 194 |  |  | $ | 167 |
Property, Plant and Equipment Estimated Useful Lives [Table Text Block] |
Asset |  | Estimated useful life (in years)
Computer equipment and software |  | 3 - 5 years
Furniture and fixtures |  | 5 - 7 years
Equipment |  | 5-15 years
Leasehold improvements |  | Shorter of useful life or term of lease

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- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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