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Description of Business and Summary of Significant Accounting Policies (Details Textual) - USD ($) |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Jan. 01, 2019 | Dec. 31, 2016
Description of Business and Summary of Significant Accounting Policies [Line Items] |  |  |  |  |
Goodwill, Impairment Loss | $ 675,000 | $ 675,000 | $ 0 |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders |  | 492,000 |  |  |
Foreign Currency Transaction Gain (Loss), before Tax |  | (201,000) | 466,000 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax |  | (779,000) | 706,000 |  |
Cash and Cash Equivalents, at Carrying Value, Total |  | 10,869,000 | 11,407,000 |  | $ 14,172,000
Deferred Revenue |  | 1.1 | 1.3 |  |
Allowance for Doubtful Accounts Receivable |  | 1,000,000 | $ 1,200,000 |  |
Quantifying Misstatement in Current Year Financial Statements, Amount |  | 269,000 |  |  |
Quantifying Misstatement in Current Year Financial Statements Amount Of reduction of Net Income |  | $ 269,000 |  |  |
Immaterial Error Correction |  | The correction of the cumulative error was recorded in the 2018 consolidated financial statements. The $700,000 in recorded pension expense for 2018 includes the $269,000 of prior under-recorded pension expense and the $2.5 million of pension liability as of December 31, 2018 includes the $269,000 of prior under-recorded pension liability. |  |  |
Doc Genix [Member] |  |  |  |  |
Description of Business and Summary of Significant Accounting Policies [Line Items] |  |  |  |  |
Noncontrolling Interest, Ownership Percentage By Parent |  | 94.00% |  |  |
UNITED STATES |  |  |  |  |
Description of Business and Summary of Significant Accounting Policies [Line Items] |  |  |  |  |
Cash and Cash Equivalents, at Carrying Value, Total |  | $ 5,300,000 |  |  |
Accounting Standards Update 2016-02 [Member] |  |  |  |  |
Description of Business and Summary of Significant Accounting Policies [Line Items] |  |  |  |  |
Operating Lease, Right-of-Use Asset |  |  |  | $ 8,000,000 |
Operating Lease, Liability |  |  |  | $ 9,000,000 |
Digital Data Solutions [Member] |  |  |  |  |
Description of Business and Summary of Significant Accounting Policies [Line Items] |  |  |  |  |
Goodwill, Impairment Loss |  | $ 675,000 |  |  |
Synodex [Member] |  |  |  |  |
Description of Business and Summary of Significant Accounting Policies [Line Items] |  |  |  |  |
Noncontrolling Interest Increase in Ownership Percentage by Parent | 1.50% | 92.50% |  |  |
Foreign Subsidiaries [Member] |  |  |  |  |
Description of Business and Summary of Significant Accounting Policies [Line Items] |  |  |  |  |
Cash and Cash Equivalents, at Carrying Value, Total |  | $ 5,600,000 |  |  |

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