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Description of Business and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2018
Accounting Policies [Abstract] |
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] | The stock-based compensation expense related to the Company’s stock plan was allocated as follows (in thousands):
|  | Year Ended December 31, |
|  | 2018 |  |  | 2017 |
Direct operating costs |  | $ | 264 |  |  | $ | 260 |
Selling and adminstrative expenses |  |  | 532 |  |  |  | 435 |
Total stock-based compensation |  | $ | 796 |  |  | $ | 695 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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