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Note 7 - Accrued Liabilities | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Accounts Payable and Accrued Liabilities Disclosure [Text Block] | 7. Accrued Liabilities Accrued liabilities consist of the following:
|  | As of December 31, |
|  | 2017 |  |  | 2016 |
Accrued salaries and other compensation |  | $ | 1,072 |  |  | $ | 1,098 |
Sales and marketing programs |  |  | 435 |  |  |  | 319 |
Product warranty |  |  | 245 |  |  |  | 246 |
Other accrued liabilities |  |  | 91 |  |  |  | 231 |
Total |  | $ | 1,843 |  |  | $ | 1,894 |

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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