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EQUITY INCENTIVE PLAN (Narrative) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based compensation, unrecognized compensation expense related to unvested stock options | $ 100,000 |
Share-based compensation, weighted average period that unrecognized compensation expense related to unvested stock options is recognized | 1 year 1 day |
Number of outstanding options vested or expected to vest (in shares) | 720,128 |
Selling, general and administrative expenses |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based compensation expense | $ 100,000 | $ 600,000
Stock Appreciation Rights (SARs) |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock options, fair value assumptions, dividend yield | 0.00% |
Outstanding SARs (in shares) | 83,333 | 98,333
Weighted average exercise price of SARs (in usd per share) | $ 4.32 | $ 4.14
Intrinsic value | $ 0 |
Weighted average remaining contractual terms | 6 years 8 months |
Number of shares exercisable | 83,333 |
Exercises in period (in shares) | 0 | 0
Stock Appreciation Rights (SARs) | Accrued expenses |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based compensation expense | $ 100,000 |
Decrease in share based compensation expense | $ 100,000 |
Stock Appreciation Rights (SARs) | Minimum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock options, fair value assumptions, risk free interest rate | 1.13% |
Stock options, fair value assumptions, historical volatility rate | 85.00% |
Stock Appreciation Rights (SARs) | Maximum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock options, fair value assumptions, risk free interest rate | 1.92% |
Stock options, fair value assumptions, expected life | 6 years |
Stock options, fair value assumptions, historical volatility rate | 86.00% |
Stock Options |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock options, fair value assumptions, dividend yield |  | 0.00%
Stock options, grants in period, weighted average grant date fair value | $ 0.60 | $ 0.96
Weighted average exercise price (in usd per share) | $ 3.55 |
Stock options, outstanding, aggregate intrinsic value | $ 0 |
Remaining weighted average contractual life | 7 years 6 months 1 day |
Options exercisable (in shares) | 537,091 |
Options exercisable, weighted average exercise price (in usd per share) | $ 4.26 |
Stock options, exercisable, aggregate intrinsic value | $ 0 |
Stock options, remaining weighted-average contractual life | 7 years 2 months |
Stock options, exercised (in shares) | 0 | 0
Stock options vested in current year, fair value | $ 600,000 | $ 800,000
Stock Options | Minimum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock options, fair value assumptions, risk free interest rate |  | 1.32%
Stock options, fair value assumptions, expected life |  | 4 years
Stock options, fair value assumptions, historical volatility rate |  | 83.00%
Stock Options | Maximum |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock options, fair value assumptions, risk free interest rate |  | 1.91%
Stock options, fair value assumptions, expected life |  | 6 years
Stock options, fair value assumptions, historical volatility rate |  | 86.00%
Equity incentive plan 2006 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based compensation, number of shares authorized | 1,666,666 |
Share-based compensation, award expiration period | 10 years |
Equity incentive plan 2006 | Restricted Stock, Restricted Stock Units, Performance Units, Performance Shares And Other Awards |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based compensation, number of shares authorized | 1,250,000 |

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- 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) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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