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Summary of Significant Accounting Policies - Narrative (Details) shares in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 USD ($) reporting_unit segment shares | Dec. 31, 2017 USD ($) shares | Jan. 01, 2019 USD ($)
Property, Plant and Equipment [Line Items] |  |  |
Number of operating segments | segment | 2 |  |
Change in fair value of contingent consideration liability | $ (450,000) |  |
Contingent consideration liability | 2,500,000 | $ 3,000,000 |
Deferred compensation liability | 3,400,000 | 3,900,000 |
Net rental loss on rental contracts | (865,000) | (683,000) |
Change in fair value of contingent consideration | (450,000) | (1,000,000) |
Capitalized software costs | 3,900,000 | 3,800,000 |
Amortization of capitalized software costs | 3,500,000 | 2,700,000 |
Impairment of intangible assets | 0 | 0 |
Impairment of capitalized software | $ 1,600,000 | 0 |
Number of reportable units | reporting_unit | 2 |  |
Goodwill, Impaired, Method For Fair Value Determination, Percentage Of Fair Value Calculation | 80.00% |  |
Weighting of valuation method | 10.00% |  |
Goodwill, measurement input | 3.00% |  |
Amount outstanding for goodwill within continuing operations | $ 11,051,000 | 11,051,000 |
Impairment of goodwill | 0 | 0 |
Impairment of long-lived assets | 1,585,000 | 0 |
Net loss | 24,122,000 | 3,386,000 |
Net cash outflow, operating activities | $ 3,849,000 | $ (314,000) |
Employee Stock Option |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Incremental shares excluded from computation of diluted earnings per share (in shares) | shares | 750 | 266 |
Restricted Stock |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Incremental shares excluded from computation of diluted earnings per share (in shares) | shares | 113 | 49 |
Minimum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Warranty period | 12 months |  |
Estimated useful lives | 3 years |  |
Goodwill, Impaired, Method For Fair Value Determination, Discounts Rate | 14.00% |  |
Minimum | Subsequent Event | Forecast | ASU 2016-02 |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Operating lease, ROU asset |  |  | $ 4,000,000
Operating lease liability |  |  | 4,000,000
Minimum | Software and Software Development Costs |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life of intangibles | 3 years |  |
Maximum |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Warranty period | 36 months |  |
Estimated useful lives | 25 years |  |
Goodwill, Impaired, Method For Fair Value Determination, Discounts Rate | 29.00% |  |
Maximum | Subsequent Event | Forecast | ASU 2016-02 |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Operating lease, ROU asset |  |  | 4,500,000
Operating lease liability |  |  | $ 4,500,000
Maximum | Software and Software Development Costs |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life of intangibles | 7 years |  |
Brink Software |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Change in fair value of contingent consideration liability | $ (500,000) | $ (1,000,000) |

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