Stockholder's Equity - Summary of Stock Option Activity (Details)	3 Months Ended
Mar. 31, 2019 $ / shares shares
Equity [Abstract]
Number of Options Outstanding, Beginning Balance \| shares	895,858
Number of Options Outstanding, Granted \| shares
Number of Options Outstanding, Exercised \| shares
Number of Options Outstanding, Canceled \| shares
Number of Options Outstanding, Ending Balance \| shares	895,858
Number of Options Exercisable, Ending Balance \| shares	476,367
Weighted- Average Exercise Price Options Outstanding, Beginning Balance \| $ / shares	$ 5.62
Weighted- Average Exercise Price Options Outstanding, Granted \| $ / shares
Weighted- Average Exercise Price Options Outstanding, Exercised \| $ / shares
Weighted- Average Exercise Price Options Outstanding, Canceled \| $ / shares
Weighted- Average Exercise Price Options Outstanding, Ending Balance \| $ / shares	5.62
Weighted- Average Exercise Price Options Exercisable, Ending Balance \| $ / shares	$ 5.71

No definition available.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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No definition available.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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Stockholder's Equity - Summary of Stock Option Activity (Details)	3 Months Ended
	Mar. 31, 2019 $ / shares shares
Equity [Abstract]
Number of Options Outstanding, Beginning Balance \| shares	895,858
Number of Options Outstanding, Granted \| shares
Number of Options Outstanding, Exercised \| shares
Number of Options Outstanding, Canceled \| shares
Number of Options Outstanding, Ending Balance \| shares	895,858
Number of Options Exercisable, Ending Balance \| shares	476,367
Weighted- Average Exercise Price Options Outstanding, Beginning Balance \| $ / shares	$ 5.62
Weighted- Average Exercise Price Options Outstanding, Granted \| $ / shares
Weighted- Average Exercise Price Options Outstanding, Exercised \| $ / shares
Weighted- Average Exercise Price Options Outstanding, Canceled \| $ / shares
Weighted- Average Exercise Price Options Outstanding, Ending Balance \| $ / shares	5.62
Weighted- Average Exercise Price Options Exercisable, Ending Balance \| $ / shares	$ 5.71