Stock-Based Compensation - Summary of Status and Activity of Stock Option Awards (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Number of shares, outstanding beginning balance	696,189	705,990
Number of shares, granted
Number of shares, exercised	(1,800)	(1,800)
Number of shares, forfeited or expired	(6,667)	(16,468)
Number of shares, outstanding ending balance	687,722	687,722
Weighted average exercise price, outstanding beginning balance	$ 2.63	$ 2.63
Weighted average exercise price, granted
Weighted average exercise price, exercised	0.81	0.81
Weighted average exercise price, forfeited or expired	2.7	2.81
Weighted average exercise price, outstanding ending balance	$ 2.63	$ 2.63
Weighted average remaining contractual terms (years)	6 years 2 months 19 days	6 years 2 months 19 days
Aggregate intrinsic value

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For presentations that combine terminations, 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 or that expired.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Weighted average price of options that were either forfeited or expired.

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- Definition

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

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No definition available.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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

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

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

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

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