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14. STOCK-BASED COMPENSATION (Details - Stock based compensation expense) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Total stock-based compensation expense | $ 2,019 | $ 1,838 | $ 1,724
Employees [Member] |  |  |
Total stock-based compensation expense | 1,694 | 1,493 | 1,333
Non-Employees [Member] |  |  |
Total stock-based compensation expense | $ 325 | $ 345 | $ 391

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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Details
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- Details
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