Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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-Name Accounting Standards Codification
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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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Unrecognized cost of unvested options awarded to employees as compensation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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- Definition

Amount of stock repurchase plan authorized.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Common Stock Incentive, Stock Purchase Plans and Other Compensation Plans - Narrative (Details) - USD ($)	1 Months Ended		3 Months Ended		6 Months Ended		37 Months Ended
	Dec. 31, 2016	Aug. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 13, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value of options exercisable			$ 30,000		$ 30,000		$ 30,000
Remaining share-based compensation expense			483,000		$ 483,000		483,000
Weighted average recognition period on remaining share-based compensation expense					2 years 3 months 10 days
Common stock repurchased - value					$ 3,000
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs recognized related to stock options			67,000	$ 18,000	$ 134,000	$ 37,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average recognition period on remaining share-based compensation expense					1 year 1 month 27 days
Compensation costs recognized related to stock options			54,000	$ 74,000	$ 108,000	$ 917,000
Remaining share-based compensation expense			$ 139,000		$ 139,000		$ 139,000
Securities Repurchase Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock repurchase - authorized amount								$ 5,000,000
Share repurchases (in shares)	120,370	38,400			0		37,727
Common stock repurchased - value	$ 975,000	$ 308,000					$ 492,000
Share repurchased, average cost (in dollars per share)	$ 8.10	$ 8.00					$ 13.05