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Shareholders' Equity - Stockbased Compensation (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014
Amount recognized in Statements of Comprehensive Income- |  |
Stock-based compensation expense | $ 353,000 | $ 403,000
Cost of sales |  |
Amount recognized in Statements of Comprehensive Income- |  |
Stock-based compensation expense | 34,000 | 6,000
Selling |  |
Amount recognized in Statements of Comprehensive Income- |  |
Stock-based compensation expense | 69,000 | 87,000
Marketing |  |
Amount recognized in Statements of Comprehensive Income- |  |
Stock-based compensation expense | 15,000 | 12,000
General and administrative |  |
Amount recognized in Statements of Comprehensive Income- |  |
Stock-based compensation expense | $ 235,000 | $ 298,000

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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