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Stock - Based Compensation - Schedule of Stock-based Compensation, Stock Options, Activity (Details)	9 Months Ended
	Sep. 30, 2018 USD ($) $ / shares shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Number of Shares, Outstanding Beginning | shares	14,000
Weighted Average Exercise Price, Outstanding Beginning | $ / shares	$ 2.23
Number of Shares, Expired | shares	(7,000)
Weighted Average Exercise Price, Expired | $ / shares	$ 1.53
Number of Shares, Outstanding Ending (all vested and exercisable) | shares	7,000
Weighted Average Exercise Price, Outstanding Ending (all vested and exercisable) | $ / shares	$ 2.92
Weighted Average Remaining Contractual Term (in years), Outstanding (all vested and exercisable)	9 months
Aggregate Intrinsic Value, Outstanding (all vested and exercisable) | $	$ 5,034

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(4)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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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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-Topic 718
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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 grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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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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