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Summary of Significant Accounting Policies - Narrative (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 USD ($) segment shares | Dec. 31, 2018 USD ($) shares | Dec. 18, 2019 USD ($) | Jan. 01, 2019 USD ($)
Accounting Policies [Abstract] |  |  |  |
Number of operating segments | segment | 2 |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Contingent consideration liability |  | $ 2,500,000 |  |
Deferred compensation liability | $ 3,200,000 | 3,400,000 |  |
Change in fair value of contingent consideration | 0 | 450,000 |  |
Net rental loss on rental contracts | 996,000 | 865,000 |  |
Cost of acquired and internally developed software | 13,372,000 | 12,412,000 |  |
Capitalized software costs | 4,100,000 | 3,900,000 |  |
Amortization of capitalized software costs | 3,300,000 | 3,500,000 |  |
Impairment of intangible assets | 0 | 0 |  |
Impairment of capitalized software | $ 700,000 | $ 1,600,000 |  |
Weighted average shares outstanding (in shares) | shares | 16,223,000 | 16,041,000 |  |
Fair value calculation percentage | 80.00% |  |  |
Goodwill, measurement input | 3.00% |  |  |
Weighting of valuation method | 10.00% |  |  |
Goodwill | $ 41,386,000 | $ 11,051,000 |  |
Impairment of goodwill | 0 | 0 |  |
Impairment of long-lived assets | $ 0 | $ 0 |  |
Employee Stock Option |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Incremental shares excluded from computation of diluted earnings per share (in shares) | shares | 383,000 | 750,000 |  |
Restricted Stock |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Incremental shares excluded from computation of diluted earnings per share (in shares) | shares | 308,000 | 113,000 |  |
Internally developed software costs not meeting general release threshold |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Cost of acquired and internally developed software | $ 2,500,000 | $ 3,000,000 |  |
Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Warranty period | 12 months |  |  |
Estimated useful lives | 3 years |  |  |
Fair value determination, discounts rate | 13.00% |  |  |
Minimum | ASU 2016-02 |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Operating lease liability |  |  |  | $ 4,000,000
Minimum | Developed software costs |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated useful life | 3 years |  |  |
Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Warranty period | 36 months |  |  |
Estimated useful lives | 25 years |  |  |
Fair value determination, discounts rate | 22.00% |  |  |
Maximum | ASU 2016-02 |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Operating lease liability |  |  |  | $ 4,500,000
Maximum | Developed software costs |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated useful life | 7 years |  |  |
Restaurant Magic |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Contingent consideration liability | $ 3,300,000 |  |  |
Weighted average shares outstanding (in shares) | shares | 908,192 |  |  |
Goodwill |  |  | $ 27,945,000 |
Brink Software |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Change in fair value of contingent consideration liability |  | 500,000 |  |
Obligations |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Liability for the contingent consideration | $ 3,340,000 | 0 |  |
Change in fair value of contingent consideration liability | $ 0 | $ 450,000 |  |

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