Note 5 - Accounts Receivable, Net - Activity in the Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Balance as of the beginning of the year | $ 1,536 | $ 845 | |||
| Provision for doubtful accounts | 138 | 164 | $ (136) | ||
| Write-offs of uncollectible accounts | (60) | (269) | |||
| Other | [1] | 378 | 796 | ||
| Balance as of the end of the year | $ 1,992 | $ 1,536 | $ 845 | ||
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