v3.8.0.1

STOCKHOLDERS' EQUITY (DEFICIT) - Stock Options (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, granted (in shares)	0	0	0
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, granted (in shares)	0	0	0
Options
Outstanding at period start (in shares)	176,959	248,201	248,871	253,164
Forfeited or expired (in shares)	(71,242)	(670)	(4,293)
Outstanding at period end (in shares)	248,201	248,871	253,164
Weighted-Average Exercise Price
Outstanding at period start, weighted-average exercise price (in dollars per share)	$ 23.81	$ 23.82	$ 23.90
Forfeited or expired, weighted-average exercise price (in dollars per share)	9.85	30.97	28.14
Outstanding at period end, weighted-average exercise price (in dollars per share)	$ 29.42	$ 23.81	$ 23.82	$ 23.90
Weighted-Average Remaining Contractual Terms (in Years)
Weighted-Average Remaining Contractual Terms (in Years)	2 years	2 years 4 months 24 days	3 years 4 months 24 days	4 years 4 months 24 days
Vesting period (in years)	3 years
Stock-based compensation expense	$ 0	$ 0	$ 0

X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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.

+ References

No definition available.

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- Definition

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

Weighted average price of options that were either forfeited or expired.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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X

- Definition

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

+ References

No definition available.

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- Definition

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

+ References

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-Publisher FASB
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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.

+ References

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