Summary of Significant Accounting Policies - Costs (Details) $ in Millions	12 Months Ended
Dec. 31, 2020 USD ($) agreement	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Number of licensing and service agreements \| agreement	15
Advertising costs	$ 0.6	$ 0.2	$ 0.2
Capitalized software	$ 1.7	1.2
Impairment of capitalized software		0.1
Capitalized software held for internal use
Estimated useful life (in years)	3 years
Amortized expense	$ 1.0	1.2	1.3
Shipping and handling costs
Cost of revenues	$ 13.3	$ 13.3	$ 12.4

The number of revenue generating licensing and service agreements.

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Amount of impairment loss from capitalized computer software costs.

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-Name Accounting Standards Codification
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- Definition

The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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