v3.8.0.1

STOCKHOLDERS' EQUITY (DEFICIT) - Restricted Stock (Details) - Restricted stock - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Restricted Stock
Outstanding at period start (in shares)	677,241	593,653	260,850
Granted (in shares)	122,069	89,384	333,419
Forfeited (in shares)	(13,601)	(5,796)	(616)
Vested (in shares)	(237,704)
Outstanding at period end (in shares)	548,005	677,241	593,653	260,850
Weighted-Average Remaining Contractual Terms (in Years)
Weighted-Average Remaining Contractual Terms (in years)	3 months	3 years 6 months	4 years 3 months 18 days	3 years 2 months 12 days
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Abstract]
Unrecognized compensation expense	$ 2,383
Unrecognized compensation expense, weighted average period of recognition	3 months 18 days
Vesting period	6 years
Stock-based compensation expense	$ 3,478	$ 1,251	$ 1,229
Stock-based compensation expense, discount rate	15.00%	15.00%	18.00%
General and Administrative Expense
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Abstract]
Stock-based compensation expense	$ 3,478	$ 1,251	$ 1,229
Non-cash expense related to accelerated vesting of restricted stock	$ 2,000

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Discount Rate

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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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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.

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

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Additional share-based compensation cost recognized as a result of an occurrence of an event that accelerates its recognition.

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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.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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