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Stockholders' Equity - Summary of Stock Options (Details)	12 Months Ended
	Dec. 31, 2019 $ / shares shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding - Number Of Options | shares	1,421,623
Options Outstanding - Weighted-Average Remaining Life	1 year 11 months 15 days
Options Outstanding - Weighted Average Exercise Price	$ 1.78
Options Exercisable - Number of Options | shares	1,069,542
Options Exercisable - Weighted Average Exercise Price	$ 1.49
Exercise Price One [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of Exercise Prices - Lower Range Limit	1.15
Range of Exercise Prices - Upper Range Limit	$ 1.56
Options Outstanding - Number Of Options | shares	839,460
Options Outstanding - Weighted-Average Remaining Life	7 months 28 days
Options Outstanding - Weighted Average Exercise Price	$ 1.16
Options Exercisable - Number of Options | shares	833,210
Options Exercisable - Weighted Average Exercise Price	$ 1.16
Exercise Price Two [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of Exercise Prices - Lower Range Limit	1.75
Range of Exercise Prices - Upper Range Limit	$ 2.87
Options Outstanding - Number Of Options | shares	582,163
Options Outstanding - Weighted-Average Remaining Life	3 years 9 months 29 days
Options Outstanding - Weighted Average Exercise Price	$ 2.67
Options Exercisable - Number of Options | shares	236,332
Options Exercisable - Weighted Average Exercise Price	$ 2.64

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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-Publisher FASB
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-Topic 718
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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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