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Equity - Stock-Based Compensation Expense Included in Statements of Operations (Details) (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015
Total stock compensation expense |  | $ 89 | $ 661
Cost of Sales [Member] |  |  |
Total stock compensation expense | [1] |  | 16
Cost of Sales [Member] | DSIT Solutions, Ltd [Member] |  |  |
Total stock compensation expense |  |  | 16
Research and Development Expense [Member] |  |  |
Total stock compensation expense | [1] |  | 4
Research and Development Expense [Member] | DSIT Solutions, Ltd [Member] |  |  |
Total stock compensation expense |  |  | 4
Selling General and Administrative Expense [Member] |  |  |
Total stock compensation expense | [1] | $ 89 | 641
Selling General and Administrative Expense [Member] | DSIT Solutions, Ltd [Member] |  |  |
Total stock compensation expense |  |  | $ 59
[1] | Includes $16, $4 and $59 in Cost of sales, Research and development expense and Selling, general and administrative expense, respectively, for the year ended December 31, 2015 with respect to DSIT. See Note 4 with respect to stock-based compensation expense associated with discontinued operations.

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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=66902209&loc=d3e3602-108585 + Details
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